Public Sex

Sei and Kanao have been friends since middle school, and now, they are roommates in college and look out for each other. But when Sei discovers Kanao's secret, things take a big turn for their relationship - not only in friendship but also in sex. It turns out that public sex turns Kanao on, and Sei indulges him, thinking that they were just friends with benefits. But when their neighbor, Konno, expresses his interest in the two's relationship, including their sex escapades, things get a bit more complicated than usual.

(Source: Futekiya)