Name pls

Its bl I only remember about the side couple he had a long hair and was looking for his lover in his past life ( he was a girl in his previous life ) and his lover let him/her go to place with others to have fun /s#xual activities, when he asked why you let me do these things lover said something which shows he loves him so much, in the present time he cut his long hair as for the main couple seme found his lover in his past life and he and other one who is looking for the lover remember the past