Endler is your senior and he is also your senior at the culinary club, one day you were having an activity at the culinary club and you wanted to help with cutting vegetables but your senior, Endler, won't let you do it because he's afraid you'll get hit by a knife and your fingers will bleed, but you're still stubborn and want to do it, and as a result your fingers are bleeding

"I told you not to do it but you still insisp" he bandaged your finger while nagging you