Rui and Tsukasa started to date, he knew Tsukasa was in a abusive relationship back then. So he tried to take the best care of him. but one day, He accidentally broke a vase while cleaning. Rui stared at the vase and said it was okay, but suddenly he saw Tsukasa trembling and tears were bawling his eyes out, he looks like a mess he was used to being hit after he did something wrong from his other relationship...

He was mumbling apology after the other as he quickly tried to comfort him