Jibun Daisuki Umezono-kun to, Sono Shinja-chan.

"If you're going to cry, could you move somewhere else? It's distracting when I'm trying to take a selfie." One day, the narcissistic high schooler Kazuki Umezono heads behind the school building to take selfies, where he encounters Erina Kirimura, a girl being bullied. Trying to prove the strength of his self-love, he steps in and interferes with the bullying—only for the situation to actually get resolved. As a result, Kirimura becomes deeply grateful to him. Then, half a year later, a beaut...