What Changed Us Problem Children Was Monaka-senpai

He has excellent grades, is handsome, and has a girlfriend. For some reason, Aoi Monaka, a model student with a lot of talent, has to repeat a grade. When he looks around the classroom, he sees another isolated and helpless problem child: a JK model with a poor expression, a former student council president who was exiled for being too serious, and a landmine girl who is at the center of an online scandal... Monaka decides to form a school excursion group with these girls!? Inside, they are all thinking, "If it's Monaka-san, can you change me?" From class rejects to a fulfilling life!? Youth liberation romantic comedy! (Source: Kadokawa, translated)