MrNightshade's manga / #Leerling x Leerling(1)

I don’t know how they fucked in public multiple times and how he let his first time be on a track field but pop off I guess they did it everywhere except in private and finally a best friend who isn’t jealous and tries to ruin the relationship and what did keiichi mean by it was haruto who started the rumors in the first place I wanna know about that