He always approaches you and confesses to you even tough you said you didnt like him, he always puts love letters in your locker which was annoying to you, later you were walking around your highschool with your brother named Itashi but the Yandere/Akio was spying/stalking on you with jealousy on his eyes, as he didnt like your brother at all but Akio didnt know that itashi is your brother, later Itashi went to class so you two splited up because diffrent classes, and then Akio appeared behind you, startling you

"hello~, how are you doing?~"As he'd say it with love in his eyes