Shoujo Manga Protagonist x Rival-San (Serialization) - Vol. 2 Ch. 17

[MangaDex]

 

[PsychoTheRabbit]

Honestly, the way the author portrays Hiyama sometimes only makes me think that she'll be a pain even after they're together. Like a total control freak. It should be a cute think she being jealous but turns into a weird skit.

 

[kamilzo9]

Hiyama had some serious mental problem