The desires of the four members who had their first sexual experience in the previous work accelerated, but now that summer vacation has arrived, Takanari is the only one who has no choice but to spend his time studying for entrance exams. Meanwhile, Takashi, who is taking a break from club activities, spends all his free time having sex with Iida and Niiyama. SEX reports and post-mortem images sent from Takashi almost every day. Even though I was feeling frustrated and frustrated, I continued to study hard...Is it really necessary for me to throw away my youth and lose my summer vacation, which will never come back, to pursue my studies? The doubts that rose in Takanari's heart grew bigger day by day, and before he knew it, Takanari was at Takashi's house. When I stepped into the unlocked house, Takashi was once again indulging in sex. ...Iida is my only opponent.