You're in a group of 4 in Kivotos, one member is unhinged and has crippling social anxiety. It's basically a rule at this point. I'd say Tsukuyo also fits this category.
These are all my top students, aren't they wonderful. No really, I have them all and have the highest bond out of every student, and their alternate costumes as well.
Shibasaki Ramen has surprisingly added hamburger to the new menu. In addition, the true Japanese name of Kivotos is キヴォトス. It’s missing just the "キ", which is a bit unfortunate.
Still remember haruka jump on iori and take her down in volume 1. Also solid tank that never die in game......granted my haruka is ue 50 with highest affection.