Chiaki Morisawa/Relationships

Aira Shiratori

 * Aira and Chiaki worked together during Alkaloid and Ryuseitai’s joint live, Motor Show. Chiaki also likes to return to Yumenosaki’s Basketball club as an alumnus, where he has likely had the chance to play with Aira as a new member of the club. On one of these occasions, Chiaki invited Aira and Midori out to eat after playing together.



Hiiro Amagi

 * Hiiro and Chiaki worked together during Alkaloid and Ryuseitai’s joint live, Motor Show. Chiaki consistently pronounces Hiiro’s name incorrectly because of how similar it is to the word “hero.”



Hinata Aoi


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 * 2wink and Ryuseitai have worked together on multiple occasions, such as in Beach Match, Boarding Live, and in the “Eve of the Eve Live” in Christmas Live. Chiaki has an amiable relationship with the twins, as he knows they are both close with his unit’s juniors, and he often offers them the support of a senior— something 2wink does not exactly have due to the fact that both members are first years. Chiaki especially looks after Hinata by making sure to respect him as a fellow unit leader while also helping to guide him as a cherished junior.


 * Kanata has noted that Hinata and Chiaki are rather similar due to the fact that they both work too hard on their own. Chiaki later gives Hinata advice on this matter and reminds him that he does not have to carry his burdens alone because he has friends who are always willing to help him.

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Sora Harukawa


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Tori Himemiya


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Yuta Aoi


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 * During the Christmas Live, Chiaki allowed RYUSEITAI and 2wink to share the "Eve of the Eve" Live.

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Adonis Otogari


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 * The two were able to create somewhat of a bond out of a lack of mutual understanding, though Adonis views this as a rivalry of some kind. Chiaki has once invited Adonis over to his house to watch a marathon of Chiaki's favorite super hero show, which Adonis politely accepted.

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Anzu


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 * Chiaki is Anzu's senior. Chiaki often hugs Anzu out of habit, despite being reminded by his surroundings that such gesture is inappropriate towards a girl. Anzu can act somewhat brash towards Chiaki, like hitting him with paper fan in Hero Show when he refuses to rest. In the same event scouting though, Anzu took care of him when he fell ill, which made him happy. He told Anzu it was a dream of his to have a cute girlfriend taking care of him, before correcting himself because Anzu is not his girlfriend. He repeated his situation was dream-like and told Anzu it reminded him of when he was a sickly kid and that he might end up calling Anzu "mother".

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Koga Oogami
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Mayoi Ayase
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Mika Kagehira
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Natsume Sakasaki
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Souma Kanzaki
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Tatsumi Kazehaya
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Yuzuru Fushimi
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 * Though Yuzuru is quite respectful to him, whenever Chiaki gets too rough with his "skin ship", Yuzuru is quick to scold him for his actions, as seen in Police.

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Eichi Tenshouin
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 * Fellow classmates in Class 3-A, Chiaki and Eichi know each other very well, and have bonded over their poor health and dislike of hospitals.

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Kaoru Hakaze
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Keito Hasumi
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Kuro Kiryu
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Madara Mikejima
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 * It's implied in Wisteria that some of Chiaki's quirks and habits as well as his "You can do it" phrase were the result of Madara's influence on him, explaining why their personalities and attitudes can sometimes be similar.


 * Chiaki is a friend of Madara’s. It was revealed in Reminiscence＊Ryusei Bonfire that Chiaki initially knew Madara from their participation in RYUSEITAI (Madara was the "leading star of the first squad" at the time), however, they didn’t talk back then until after Chiaki is confronted by him about his interactions with Kanata. In their second year together, Madara acted as the vice captain of RYUSEITAI before dropping out of the unit altogether - Chiaki comments that Madara is one of the few who had been "doing their job properly."


 * Chiaki is shown to hold Madara in high regard, viewing him as a hero despite Madara having low opinions of himself and disagreeing with that sentiment as a result of his own actions. Chiaki calls Madara a legendary predecessor . They are shown to have prickly interactions now and then. Chiaki's views on justice greatly differ from Madara's views on justice, but they both share it as an ideal.

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 * Chiaki shows concern for Madara and once tried to direct Anzu towards helping Madara with unit work..


 * In Submarine, Chiaki took the time to call Madara from Okinawa to assure him regarding Kanata Shinkai's situation and to stop Madara from flying to Okinawa.



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Rei Sakuma
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 * In Crossroad/Chaos 7, Rei speaks dismissively of Chiaki, "like a pure little boy", while Chiaki was asking for help.


 * In Pirates - Beach 2, when Chiaki and Kanata saved Rei, he describes Chiaki as "that man that resembles the midsummer sun". Rei mentions he "had always thought" Chiaki was a "fool incapable of thought". However, Rei altered his perception based on Chiaki assisting him despite Rei's insistence on UNDEAD's darker image being naturally oppositional, as well as Chiaki's view that "being Allies of Justice does not mean that we oppose evil in order to eradicate it!" At this time, Rei had grown interested and curious in Chiaki, although also says that he may have been overestimating.


 * Beach Match - Chapter 3 has Rei referring to Chiaki fondly as "Chiaki-kun" and "a lively man so early in the morning".


 * Also in Pirates - Beach 2, ​​​Chiaki states he thought wrong of UNDEAD and that he was moved by Rei's value of friendships. He reiterates this in Beach Match - Chapter 3 ​​​​​as well.


 * In Holiday Party - Chapter 9, Rei teases Chiaki, by joking about having an alcoholic drink, to which Chiaki threatens immediate action to stop him. Once Chiaki realizes it's a ruse, Rei apologizes and goes off to bring Chiaki and Kanata non-alcoholic drinks.

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Shu Itsuki
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 * In second year, Chiaki considered the Five Oddballs to be in a "much different world" than him. After Valkyrie's defeat against fine, Chiaki helped Subaru bring Shu to somewhere safe.


 * In third year, they were classmates in 3-A. Shu often complained about 3-A in general and he was not shown to be close to Chiaki.

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Tsumugi Aoba
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Wataru Hibiki
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Seiya Hidaka
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Old Lady

 * He knows an old lady living in the neighborhood around the school, whom he often visits. She treats him like her grandchild, offering him pastries and tea whenever he visits her.

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