Des：An erotic man explains in detail his honest sexual preferences and erogenous zones with a love doll as his partner! Directly taught by Riki-kun himself, we thoroughly learned how-to techniques to make Riki-kun feel good ♪ This is a treasured video of Riki-kun! This is a technique that can only be used with Riki-kun, so please be sure to judge the opponent when applying it♪