温泉街で見つけた一般男女が出会ってすぐに「混浴モニター体験」初対面でいきなり裸同士！の即席カップルは、入浴中に火が付くまで何分？ 4 お互い既婚者同士SP！！
Immediately after the general men and women found in the hot spring town met, the "mixed bath monitor experience" suddenly made them naked at the first meeting! How many minutes does a couple of instant couples get on while taking a bath? 4 SP between married people! !
