Keita Oogami

Age: 15 He is portrayed as a handsome, cool, and intelligent boy who always bullied Himari in the primary school. He tries to maintain a facade of indifference and coldness, however, he is unable to hide his real feelings for her. Throughout the manga, he shows his gentle side to her, doing his best so she can reveal her feelings for him too. He is also generous and hard-working.