Doutei Soukan

Kazuya, a shy and inexperienced young man, finds himself in an unexpected situation when he reconnects with his attractive older cousin during a family gathering. Their chance encounter stirs up feelings that neither of them anticipated, and what begins as a simple visit quickly turns into a tense, intimate encounter. As they spend more time together, the boundaries of their relationship blur, and Kazuya must confront the desires he has kept hidden for so long.

However, the situation becomes even more complicated when Kazuya realizes that his cousin is not as innocent as she seems. She takes the lead, guiding him through a world of passion and taboo that he never imagined he would experience. But as their secret affair deepens, they both know that what they are doing is wrong, and the consequences of their actions could destroy their family ties forever. Kazuya must decide whether to follow his heart or walk away before it is too late.