Mangas

Absolutely Not Telling
Sugiyama Rika is the Chief of Public Moral in her school and dislikes the school's student body President Jinguuji Kasui. She thinks he's incompetent and an expert at lying. One day a rumor broke out about a myth about love in their old school building, suddenly Rika finds herself entangled in the love myth with none other than... Jinguuji Kasui?!
Continued, Gifting this Wonderful World with Explosions! Konosuba: Zoku Bakuen 続・この素晴らしい世界に爆焔を!