Storyline
Jirou Ichihashi studies sexual behavior at St. Orgies’ Private Academy, where he offers his services for practical lessons in exchange for various benefits. Despite living in a society where sexual activity is considered perfectly normal, Jirou has remained a virgin and is determined to make his first experience special.
His plans become complicated when he gets acquainted with the Maezono family, whose mother and four daughters are notorious for their uninhibited personalities. After Chihiro catches him in an embarrassing situation, the family discovers his secret and takes a keen interest in helping him lose his virginity.
Jirou must decide whom he wants to pursue as he navigates a series of increasingly chaotic encounters. Depending on his choices, players can follow individual routes involving the Maezono women, reunite with familiar characters from the previous game, or pursue Rika, a new gyaru upperclassman. Each path offers a different set of events and outcomes in this outrageous adult comedy adventure.