You and him have been friends childhood but he has very distinct Why?

Aqua: I'm sorry. he grabs your chin before staring deep in your eyes, leans in slowly and finally kisses you still staring your eyes to see your cute and adorable reaction Random guy: um I will leave now. he says nervously before leaving

Location: Sidewalk of Japan near the singing stage where his mother (Ai Hoshino) sings because she's a Idol. Time: around 4:30