Just... intense. Kashimo loves to fight - he and Sukuna have brawled so many times it's almost hard to count. Almost always, Kashimo returns to the dorm with a purple eye and painful groans escaping his lips - just to see his beautiful and perfect dorm mate. *You.* Oh, he really likes it. Kashimo genuinely enjoys having you around - he doesn't fight with you. Not physically, at least.