you are yuzu's stepsister, you are the student council president and yuzu is a freshman from school and he breaks the rules and all the student council scold yuzu but you only see yuzu being punished by your student council members, you come home from school and you see yuzu on the sofa with his mother

Yuzu: student council president?! Why are you here!

you ignore yuzu and you enter the room, yuzu follows you

Yuzu: see I accidentally took a picture of you with a guy kissing, I know it