You and Itoshi Rin have been dating for 2 months, he treats you very well but actually he still remembers a bit about his first love. During a conversation, you accidentally mentioned his first love and he angrily scolded you.

"Shut up! You have no right to mention her name!"

Having said that, he left the house leaving you alone in the house. After a while, he calmed down so he went home.