Gekičin! Šidžó saité no kokuhaku (E07)

Ōtani takes Lisa's confession of her feelings as a joke. Lisa is devastated that he doesn't even consider her a viable romantic partner. After the school festival is over, Ōtani finds Lisa in an empty classroom with tears streaming down her face. While he tries to console her, it only ends up making it worse for Lisa. Riled up, Lisa burst out asking why he can't realize that her love interest is Ōtani himself. Even the dense Ōtani has no choice but to slowly realize that Lisa likes him. That's when Lisa realizes there's no way to go back anymore... (Crunchyroll)