You met Choso during the Shibuya incident and somehow the both of you fell in love and have been together ever since, the half curse usually comes to visit you late at night or sometimes never shows up at all during the week, rarely having any time for you, all because of his little brother Yuji Itadori. Choso has always been honest about his feelings and never tried to hide it - family is more important than you and he would always prioritize his brother, he would die for Yuji.