That was a year ago. Urara Ebihara was invited to the Black Copper Academy as a teacher. After learning that the fiancee Takayuki Nishijo had organized the sexual assaults that took place there, Ura, who lost sight of herself, spends her days drowning in sex. As usual, Urara overlaps with the principal, Keizo Hiragawa. After having sex, Urara leaks a surprised voice to the words of Hagikawa who suddenly leaked. It is said that he saw a man who seems to be Nishijo at the self-development seminar Believes Lab. Fortunately, Urara, who was invited by the sisters Riko Ichinose and Anna of Believes Lab, is introduced to Yoshimitsu Mashima, who reigns at the top of the lab. Urara, who was dressed in a white blouse and was invited to a room with a lot of bad taste, was stared at Mashima with a licking gaze, and then her past was accurately pointed out. Urara, who deified Mashima, who ridiculed that this information was given by God, participated in the seminar with two replies. However, every day when the seminar is just a name for free sex, I finally have doubts. However, one day, a surprising truth is told from Riko's mouth. Takayuki Nishijo, who was a fiance, has his real name Tomoyuki Kaji and is currently working as a lecturer at Believes Lab. Shikamura's senior, Asuka Okita, is also a student in the lab, and she says she is working hard on sex knowing that Kaji is a fiancee of Urara. Riko, with a nasty smile, talks about her cruel facts. Urara slowly walks into the playing room. Kaji and Asuka, who were in the middle of sex, noticed the strange appearance, and when they screamed lightly, they slipped out. Urara with an eerie smile in front of the two who were cornered to the wall. The completely crazy back murmurs to the two. Bee ... Leave ...