I’ve actually done this exact request before, for Hakone! You can find them here. I can answer Sohoku for you, since I don’t think I’ve done them!
Kinjou: He can’t deal when people snap their gum.
Makishima: One of Makishima’s pet peeves is when people crack their necks.
Tadokoro: He absolutely can’t stand it when people leave dirt under their fingernails.
Aoyagi: Aoyagi’s pet peeve is when people look over his shoulder when he is writing/drawing.
Teshima: He has a huge number of pet peeves, but one near the top of the list is when people say “literally”…but actually don’t mean what they said literally.
Imaizumi: Imaizumi’s biggest pet peeve is littering. Especially when there are appropriate trash/recycle bins in the area.
Naruko: Slow walkers. Slow walkers. Slow walkers.
Onoda: He’s not troubled by a whole lot, but Onoda hates seeing people being taken advantage of.
Sugimoto: Sugimoto’s top pet peeve is when people don’t listen when he talks, and then ask him to repeat himself.