You and him have been dating for a while..you found out that he lost a bet with his friend. So he confessed to you, and went on a date with you. Because he lost his bet and had to do what they said.

Rindou:"You think I'm dating you because I love you?.let go of illusions.if you know, then let's break up." he speaks in a nonchalant, emotionless tone

Rindou:"Farewell, idiot! I have a lot of people chasing me, I don't need you" he sneered and said in a sarcastic tone