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Natsume Izayoi

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Natsume Izayoi
Anime: Galaxy Angel Rune
Game: Galaxy Angel II Zettai Ryōiki no Tobira
Appears In: Anime, manga and game
Gender: Female
Age: 11
Birth date: March 16 (Pisces)
Blood Type: AB
Height: 132cm
Hair Color: Pink
Eye Color: Amber
Personality: Regal, Dignified, Curious
Relationship: Yuzu Izayoi (Younger Sister)
Genievres Hatchet (Former Caretaker
Karatachi Izayoi (Father)
Akebi Izayoi (Mother)
Theme Song: Fureru Nara Sotto
Japanese CV: Atsuko Enomoto
Emblem Frame: Papillon Chaser (RA-006)
Rank: Second Lieutenant (TCY 417)

"I said that I had taken a liking to you, had I not?"
— —

Natsume Izayoi (ナツメ・イザヨイ?) is the eighth and final member of the Rune Angel Troupe and pilots the Papillon Chaser. She was the princess of the Arms Alliance and believed that both Seldar and EDEN were an oppressive empire. She is the character counterpart of Chitose Karasuma, while her Emblem Frame shares a similar role to Forte.        


Before joining the Rune Angel Wing, Natsume wore a traditional Arms Alliance dress with primarily red colors with gold trims. Over the dress is a light purple "jacket" with a green brooch that covers most of her upper body. When Natsume is made an official member of the Rune Angel Wing, her red dress is replaced with the custom-made dress with matching colors to the rest of her team. While her costume may have changed, the most notable visual aspects of Natsume remain the same, first and foremost being her oversized sleeves that go past her hands and the two green butterfly hairpins. The front portion of her hair form two "drills" while on the side, they are looped around her hairpins.

At the end of Eigou Kaiki no Toki, Natsume has decided to abandon her tradition of hiding skin and has taken a much lighter clothing as a more traditional dress.


Natsume was born into the royal house of Izayoi, the ruling power of the Arms Alliance that consists of the planets Cudgel, Pike, and Hatchet, where the family is located. She was the oldest of 5 daughters of Karatachi and Akebi Izayoi. Her father, the Duke of Izayoi, had under his authority the Three Marquis that represented their respective planets. The Arms Alliance planets are very distant by both senses of the words with the Seldar Alliance as they are separated by a large nebula and the hostilities that would form between the two. Natsume had previously despised the notion of her becoming a princess as she did not want for her sole identity to be known as the princess of the Arms Alliance. Rather, she wanted everyone to treat her as she was. She was able to get over this predictament thanks to her caretaker Genievres

Natsume had a close relationship with her caretaker and fully believed that he would come to her rescue when she was brought aboard the Luxiole. She recounts the occasions Genivres played with her during her youth and had fond memories with her time with him. She explains that when someone had tried to poison her, Genievres took the poison instead and suffered its effects for three days. Since then, Natsume never had someone taste anything for poison on her behalf.

Natsume makes her first appearance in Kazuya's ending from the 2nd-disc content of Mugen Kairo no Kagi where she bumps into Chitose on Magic.

Mugen Kairo no KagiEdit

Natsume is introduced early in the conflict between the Luxiole's crew and the Arms Alliance and was technically the first "member" of it to face the Rune Angel Wing. In an attempt to dispense "justice" Natsume faces the Luxiole with a small amount of ships and her Papillon Chaser. She is promptly defeated and is taken aboard the Luxiole as a "captive". Kazuya is assigned to keep watch over her and while Natsume is not too eager to befriend others, she slowly begins to warm up to the crew. Lily would be given orders to protect her by Soldum.

It would not be until the transmission with Genievres that Natsume realizes that she has been left behind for good and that her authority in the Arms Alliance is completely null and void. Natsume begins to side with the Luxiole's crew and aids them by giving Benedictine's fleet formations stationed at the planet Pico. She would join the fight against her former allies at Seldar when her Emblem Frame is finally repaired.

Natsume's route is only implemented in Mugen Kairo no Kagi's 2nd Disc when it all other routes, she only assists in the route conflict and partakes in the penultimate fights. Natsume's route conflict begins where in order to bridge the relationship between the Seldar Alliance and the Arms Alliance after the misdeeds of the Three Marquis, would be for Natsume marrying into Seldar's Royal family. Kazuya is against this and for speaking out at the wedding, he is incarcerated.

The Rune Angel Wing, with the exception of Roselle, agreed with Kazuya's intentions and decide to break him out of his captivity and have Kazuya and Natsume stake out on a nearby moon to wait things out. Kazuya and Natsume spend some time together but Kazuya eventually gets ridden with an illness and for their best interests, they return to the Luxiole. Coincidentally, the White Moon is pulled through the Infinite Corridor into NEUE and the political marriage is stopped.

Within the Infinite Corridor, Natsume would have one last conversation with her former caretaker. Coco and Natsume will try to convince Genievres to stand down and be provided what little amnesty the UPW can give but Genievres turns the offer down, saying that his essence has been fully integrated onto his ship and his fellow Marquis have suffered the same fate. The Rune Angel Wing are forced to fight the Three Marquis again one last time and when they are victorious, Genievres contacts them one last time and says his goodbyes to Natsume before the Labyreath Hatchet is disintegrated by the Astral Sorbet's main cannon. In the epilogue, Kazuya and Natsume will be seen together inside the Central Globe where Kazuya explains its workings. Tact comes in to greet them and shares news of the discovery of two new Gate Keepers thanks to Chitose's fleet. Natsume and Kazuya's endings has the latter cooking some sweets for Natsume.

Eigou Kaiki no TokiEdit

Natsume is present along with the rest of the Luxiole's crew on Juno to commemorate the 5-year anniversary of the liberation of Eden from the Val-Fasq. Tact himself shows up to hand Natsume her personalized Angel Wing uniform and the crew learns of the Arms Alliance tradition of Natsume's choice in clothes as the Princess is not allowed to show off too much of her skin. Natsume decides to change into her uniform and Lily requests everyone to vacate the room to uphold her duty of being her guard. During the main celebration events, Natsume, Kazuya, and Lily arrest an extremist against the truce between Val-Fasq and the people of EDEN where Natsume showcases her inherited "ability" to forge a barrier around herself invoked by her birthmark. As the Elsior takes off to fly for a commemorative flight, the Luxiole is temporarily led by Tapio who hands Natsume an enormous manual regarding her duties as a 2nd lieutenant.

Natsume is present through all of the game and assists Rico in solving her reflex, learning of Nano's origins, helping Anise get over her past, learning of Lily's family, and discovering the true nature of Kahlua and Tequila's unity. In her chapter, the Rune Angel Wing learn from Noa that the next opening of the Infinite Corridor will be in near the Arms Alliance space. However, Noa's calculations show that it will open within a few days and the time it takes for the Luxiole to arrive will be a few days late. Natsume is understandably distressed upon hearing this news and Kazuya and Lunti attempt to cheer her up by cooking something for her, only to find a recent, shipwide shortage of sugar being traced back to the fairies who stowed away. When the Luxiole finally reaches the Arms Alliance, they repulse a Will fleet around the area and make planetfall on Hatchet. They find that the planets were attacked but instead of a direct assault, the people have been encased in ice. The crew continue their investigation inside the royal palace where Natsume is reunited with her younger sister, Yuzu. Yuzu explains of a few mysterious organisms that descended from the sky to encase all the people in "ice" and the crew decide to bring Yuzu on the Luxiole and also a frozen civilian for examination. The "ice" turn out to be nanomachine based and while healing all three planets will take time, they also need assistance from the fairies to attune everyone's consciousness in the process. The fairies agree to assist and the reasons for the two fairies to stowaway are revealed as the homeworld of the fairies are nearby. The team visit Sprite and the leader of the fairies, Harcourt agree to help. Natsume gives Yuzu the responsibility to inspire her people before the restoration process begins but her timidness gets the best of her and Natsume gives wake up call to her people before laughing away and hearing that the people are being restored.

In Natsume's route conflict, she becomes distressed at how everyone views her relationship with Kazuya as being akin to a "master and servant" lifestyle as Kazuya seems to have essentially become her errand boy. Natsume consults Lily to advise her on how to fix this and while Lily points toward Kahlua and Rico for love advice, she becomes convinced to help Natsume after hearing the latter say she's the one who she trusts most. Lily's "teachings" have Natsume act more like the servant to Kazuya's unintended new role as "master". The shenanigans end as Natsume and Kazuya are instructed to clear the way for the new bottom half of the Luxiole and leave for the derelict half to apply the detonation sequences. However, during their leave, Natsume's clothes get stuck in the gate and with the oxygen levels decreasing, he has no choice but to tear her clothes off and quickly cover her with his jacket. Being that she is still very young and that her tradition has never allowed anyone to have a glimpse of bare skin, Natsume is too surprised at the events that occurred and shuts herself in her room for a while. During this, Herea in the body of Roselle, targets her room and whisks her away.

By the end of the game, Natsume wears relatively more casual clothes and has gotten over the her issue with her now broken tradition.


"I'm not okay with that at all~ I want people to see that we are a couple~"
— —

As expected of someone from royal upbringing, Natsume is very mature and responsible for a girl of 11 years. She places the people of the Arms Alliance and those important to her before herself and was willing to marry into the royal family of Seldar to repair connections. With her privileged youth, Natsume was taught many things, one of which included playing the cello. While Natsume stresses her authority as a Princess, she truly wishes for someone to treat her like a regular person and the Rune Angel Wing provide her with the atmosphere and treatment she so desired.

While she is knowledgeable in etiquette with her regal attitude, Natsume lived a sheltered life and exhibits curiosity as expected of someone her age. Before her encounter with the Rune Angel Wing, she never knew what a movie or the flavor of sweets were. She takes a liking to watching movies which becomes her main hobby during the events of EKnT after taking interest in it during MKnK. In one occasion, Natsume asks Kazuya to perform a "Princess Carry" when she sees a picture book Nano had left in her room. She states that she has seen this many times in movies and in books and has wished to experience what one feels like. Natsume also shows interest in magic as she was particularly interested with Tequila and Mimolette. Her young age however still comes with being annoyed at certain things. She initially becomes annoyed with Lily's insistence that she follow her everywhere as a guard. She also gets angry at how Anise pronounces names wrong constantly and also at Kahlua during their shiritori game where Kahlua naturally ended every word with an inflection. 

When romanced, Natsume shows a degree of maturity for the youngest member of the Rune Angel Wing. While she is understandably not forthcoming to the crew at first, she makes a certain pardon for Kazuya for helping her when she first arrives on the Luxiole. Natsume mentions that she did not have too many chances to make friends and the only person who spent significant time with her was Genievres. With the latter now an enemy, Natsume finds a friend in Kazuya and decides to help the team, seeing as how she was abandoned. While Natsume is astute in her choice to agree to the arranged marriage, she asks Kazuya to stop in his attempts to cancel the ceremony as it pains her to do this as well. Natsume is extremely distressed at the fact the team does not find her relationship with Kazuya a romantic one and she goes to great lengths to affirm their relationship to be a serious one. Like everyone else, she is devastated at Kazuya's apparent death. In her case, she sees her first true friend who approached her out of genuine sincerity killed in front of her. 




  • Natsume refers to Kelsie and Santa Rosa as Creature 1 and Creature 2
  • Natsume's name comes from the Japanese name for the Jujube fruit, a fruit which is used in the production of some confectioneries.
  • In the post-game omake in Eigou Kaiki no Toki, Natsume is informed by Tapio that the Three Marquis's flagships have been discovered near Arms Alliance space with the nano-polymers of the Three Marquis' identities intact.

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