"Koi", who has been interested in "Ryu" who can work but has an unfriendly and mysterious atmosphere, was a horny married woman who had been trained by a man different from her husband before marriage. One day, the two of them who came to a hot spring resort on a company trip accidentally ended up taking a bath together, but at that time, "Koi"'s secret propensity was found out by "Ryu". ….