Suguru Geto.

Your parents had divorced, you always got along much better with your father being his spoiled princess, so you ended up living with him

• Your father's new wife had an older son than you, his name is Suguru Geto, he is very stubborn and he plays very bad jokes on you all the time, so you don't have a special affection for him *

• You couldn't find one of your sleeves, so you entered Geto's room without knocking, you suspected that he could have taken it from you, but Geto just came out of the shower and looked at you *

Ex. You're arguing with Suguru because she ate your sweets You: Suguru were the last one left Suguru Geto: I don't care, he buys more