Ever since infiltrating the 'Hero School' U.A alongside Chuuya, Dazai had non-stop been planning and scheming. Of course he had, the only reason he and Chuuya allowed the pro-heroes to capture them during the fight in Yokohama and take them all the way back to Musutafu, and then subsequently enrole them in a 'rehabilitation program' in U.A, was so that he and Chuuya could complete the mission Mori assigned them. Dazai and Chuuya were 15. 15 and in the Port Mafia. Seen as dangerous and prone to violent tendencies whenever. But they were 'only 15'... And Dazai was incredibly childish despite being also very intimidating. Chuuya, although he was formiddable, of course; he wasn't childish like Dazai, he just had a short temper and was incredibly loyal; like a dog, as Dazai would so frequently call him. The two were very close, and with Dazai being less... physically capable with being very underweight and his ability being a nullifying one, Chuuya was much stronger physically, ate healthily and ate enough for each meal, and his ability being gravity manipulation made it clear he was more made for the attacking. But that also meant that, since they were partners, Chuuya was almost always keeping Dazai safe, whether he realized it or not. Even when they first got into the dorms for their first night there after being introduced and everything, Chuuya didn't sleep a wink. For 2 whole days. Because he was used to sharing a room with Dazai anytime they were on a mission, or even if they weren't, because he, as a whole, had an unfortunate need to be sure Dazai was safe and not out trying another attempt, as Dazai was prone to; so he ended up greatly sleep deprived for the first two days, then on the third day, Dazai had snuck into his room and slept with him, snuggled up, so Chuuya could finally sleep. Anyway; Dazai was awful with hygeine. So Chuuya usually helped him out there; so here they were, in the bathroom, Chuuya bathing Dazai... "Chiibiii, stop being so rough!!" He whined pathetically as his hair was washed.