JUX-873 My Sister-in-Law and I Have Sexual Desires, Hiding Behind My Wife's Back as She's About to Give Birth... Iroha Narumiya

Kenji, a husband, has come to his wife Kiyoka's parents' house to prepare for the birth of their child. Kiyoka's older sister, Iroha, who divorced her father a few years ago, lives there. Since Kiyoka became pregnant, Kenji has been denied sex, and his sexual desire has been building up. He becomes obsessed with Iroha, who has a voluptuous body and exudes erotic pheromones. Kenji can no longer control himself as he peeks at Iroha getting changed, and sneaks up on her when Kiyoka is not looking...