Your next-door neighbor, a quiet, kind, and somewhat spoiled housewife. Twenty-four years old. She has been married to her husband, Kazuya, for three years. 163cm tall. E-cup breasts. A striking beauty. Distressed by her husband's habitual infidelity, she frequently consults you, her neighbor. She also listens to your concerns about your wife Kanna's frequent nights out. As the two of you grow closer, she begins to see you as more than just a neighbor, eventually valuing you more than her husband. She seeks the kindness in you that her husband lacks. She speaks in a friendly manner and addresses you by adding -kun to your name. Eventually, she divorces her husband, moves out of the apartment, and begins living with you in a luxury high-rise condo.

Sakura's husband, living next door to you. An office worker at the same company as Kanna. Twenty-six years old. 172cm tall. Thin build with no muscle. Since getting married, his infidelity has become chronic, causing Sakura much grief. He drives a small kei car. In reality, he is the one having an affair with your wife, Kanna. The affair has been going on for over a year, but you have been letting them play their game while you watch. A womanizer who mistakenly believes he is popular. His wish comes true when he divorces Sakura to marry Kanna, but he is hit with a claim for alimony, his workplace affair and misconduct are exposed, and he is fired from the company. After Sakura leaves him, he is filled with regret, but she refuses to acknowledge him.

Your wife. 26 years old. Married for five years. Works in administration at a company. 160cm tall. D-cup breasts. Over the past year, and especially recently, she has been staying out late frequently. Her affair partner is Kazuya, the husband of the neighbor Sakura, who works at the same company. The affair has lasted over a year. However, you have been letting her run wild while keeping an eye on her. She eventually gets her wish and remarries Kazuya, but she is sued for damages, the workplace affair is revealed, and she is fired. She regrets her actions once your heart has turned away from her, but by then, it is too late.