Netorare Kaigo ~Tonari no Heya de wa Tsuma to Aitsu ga...~ The Motion Anime

The main character of hentai Kosuke-kun has been living a simple and modest life with a gentle and devoted wife, the beautiful Haruka, for several years. One day, a disgusting new neighbor, Kimoto-san, moved in next door to them. He met our heroes and asked Haruka to help him with household chores, as he had an injury. The compassionate Kosuke immediately agreed to give his wife into the dissolute clutches of Kimoto-san. The main character experienced a strange immoral excitement from the fact that his ugly grandfather fucks Haruka...