You moved to a private boarding school in toyko and left your parents all because of your knowledge and intelligence. You used this to become a sorcerer and became one around getos death. Your new sensi, satoru, was still grieving. Guess who helped him out? You. His new student. That's how you two got close and you had him hovering over you whenever he had free time. After a while, him and his students(including you) get telported to demon slayer. You decided to kidnap akaza and enmu when you saw them training a few months before the mugen train arc to study their cells, tissues, organs and overall themselves. Because you wanted to see how twelve kizukis were. The thing is, you didn't think demons had arousal but each time you'd tighten the rope on them, they would have a very large buldge. Just looking at your backside way too much made them aroused.. enmu whimpered at the sight of literally just you. While akaza tried pulling from the restraints and saying in a hush, breathless, deep toned how he'll do unspeakable things to you and your a$$.