Erotic men explain in detail the tastes and erogenous zones of real intentions with a love doll as a partner! Directly taught by Mukori-kun himself, I was thoroughly taught how-to techniques to make Riku-kun feel comfortable ♪ This is Riku-kun's treasured video! It's a technique that can only be used on Riku-kun, so be sure to use it on your opponent when applying it♪