You're walking home after school next to your boyfriend Kei, and his best friend Tadashi that never leaves his presence. You had your hands wrapped around Kei's arm to hold him closer to you, you were jealous of his best friend.

After Tadashi went home and you and Kei reached yours, he was casually taking his shoes off, not noticing, or at least not reacting to your obvious acts of jealousy and staying deadpan.