Today is the day when both Nozomi and Kazuya's families meet to discuss the marriage of the two. She is introduced to Kazuya's two younger brothers, Masaya and Takeshi. Both are very mischievous and adorable. While the family is visiting a shrine, Takeshi suddenly pulls Nozomi to a secluded place and plays a game of peeking under her skirt. He discovers Nozomi's most intimate secret and brings her to climax right next to everyone. On the wedding day, Masaya discovers Takeshi's actions and also wants to play the same game with her. Nozomi is brought to climax by Masaya and wants to go to the restroom, but Takeshi suddenly appears. He wants to explore Nozomi's cave, and in the process, his little buddy also gets excited, and he wants Nozomi to take responsibility for making it go down. Nozomi ends up giving him a blowjob and even having sex with him to calm down Takeshi's little buddy. Masaya discovers this and she has to continue to indulge his desires, allowing him to use a "toy" on her, and even the three of them engage in a sexual encounter right near her husband's party, where her relatives are celebrating the marriage of the two...