Class no Inkya ni Kareshi no Sainou ga Ari Sugiru

"Your smile is definitely the cutest."

Heartbroken after being dumped by her boyfriend, Kokoha discovers that Mizuma, a plain-looking, bespectacled boy in her class, is actually incredibly handsome! To get revenge on her awful ex, Kokoha asks Mizuma to pretend to be her boyfriend, but Mizuma's unconscious boyfriend-like behavior in the classroom is incredibly powerful…!??