A college student man and a J-kei girl who seem to have started dating through an app. - A man who seems to be accustomed to playing naive J system persuades him to sex with a familiar trick, and when he finds out that he is a virgin, he further ignites his desire for control and obstinately licks unexplored mako. - I was mercilessly attacked with toys, and even though it was my first time, I was squid, and J-kei was completely taught pleasure.