Sakisaka Reon, who works at a boys' bar, is in a steady relationship with cafe owner Hodaka Shuusuke. Spoiled by his older boyfriend and constantly having new sides of himself drawn out, Reon finds himself both flustered and comforted by their relationship. Then one day, Reon, along with his coworker Kazushi and Kazushi’s boyfriend Ao, sets off on a hot spring trip with the four of them together...
 
(Source: Ichijinsha, translated)

Sakisaka Reon, who works at a boys' bar, doesn’t have a specific partner but spreads his affection to “anyone who says they like me,” regardless of gender. 
One day, while at a café, he is cornered by a regular customer from the bar, resulting in him getting splashed with water and feeling like a drenched rat. The café owner, Hodaka Shuusuke, reaches out to him. Shuusuke is a gentle, kind man, and from that day on, he treats Reon with warmth and affection. 
 
At first, Reon feels a flutter of anxiety, but as Shuusuke listens to his problems, he begins to open up for the first time and there he experiences sex with him as the bottom. Reon discovers that sex with a little bit of BDSM with Shuusuke satisfies him both physically and emotionally. However, he struggles to imagine being loved by someone consistently...
 (Sourece: Ichijinsha, translated)

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