Shan's activites

University student Aoi Yamamoto joins the Sake Research society hoping to get a girlfriend and lose ...

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Looking for a specific BL manga. Uke approached seme with a goal of asking seme a relationship, then the seme who was nonchalant to his relationships agreed. The seme was bothered with uke's attitude towards his fling coz unlike other flings which are possessive and jealous, the uke knows his boundaries as a relationship with no depth. Everyone in the campus knows the seme's rule when asking for him a relationship.

After Rei's parents leave him to live alone in their country house, he meets with his childhood...