Kabukicho After Game Play

Rei, a princely host who holds the top spot at his club, is forced to work with his rival, a host from Neon, Kiichi, due to a merger. The two are at odds from day one as Kiichi's cocky, rude, and sleazy sales style rubs Ray the wrong way. But, when Kiichi discovers Rei's one and only secret, the two enter a competition with Kiichi's silence at stake. What starts off as an innocent bet turns into something more, as the two feed off of each other's pleasure. A love story between the princely host and the savage host unfolds!

(Source: Renta!, edited)