when he had nearly drowned at the beach when they were younger; only to later find out he had been saved by the local male lifeguard. His interest in her is renewed when Sae spreads rumors about them being a couple; he adds to this by claiming he has kissed Momo. When Momo is upset by his rumor, he tries to make the rumor true by kissing her unexpectedly in the beginning of the series. After the two start dating, his insecurities about relationships are revealed to stem from his unrequited love for Misao, the school nurse and Kairi's former tutor. However, after he confesses and is shot down by her, he actually feels relieved and confident to pursue his relationship with Momo. He begins fighting over her with Toji and in the end they get back together. The English-language manga uses the non standard romanization "Kiley Okayasu". Other groups, such as FUNimation, Kodansha, and non-English language publishers, use "Kairi". Played by: Mackenyu (Live Action 2017) A boy who has been Momo's crush since junior high school although she never then confessed to him due to a friend saying he "doesn't like girls with tan skin". He overhears Momo confess her love for him to Kairi and then eventually dates Momo but Sae wants him for herself. He has a good heart, but tends to be hard headed and oblivious to what is in front of him, believing what Sae says over what Momo says, much to the frustration of Momo. Sae later blackmails Toji into dating her using pictures of Momo and Jigoro in a hotel bed together. He then breaks up with Momo. After this Momo starts dating Kairi. The Tokyopop manga renders his family name as "Toujikamori". Played by: Yuika Motokariya (Live Action 2017) The school nurse and a big sister figure for Momo. Misao was once Kairi's tutor and crush, and an old flame of Ryo's. Although she dated and broke up with him, she still loves him. Played by: Kensei Mikami (Live Action 2017) Kairi's older brother who works in the video game industry. He serves as a male counterpart to Sae, only he is significantly more dangerous. Ryo is in love with Misao, and dated her briefly, but Misao broke up with him because of his cold and manipulating attitude which is revealed when he smacks Sae after hurting Misao. Sae meets him and