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

The main character of the hentai, Kosuke-kun, has been living a simple and modest life with his gentle and devoted beautiful wife Haruka for several years. One day, a disgusting new neighbor, Kimoto-san, moved in next door. He met our heroes and asked Haruka to help him with household chores because he had an injury. Kind-hearted Kosuke immediately agreed to give his little wife into the lecherous hands of Kimoto-san. The main character felt a strange, immoral excitement from the fact that his Haruka was being fucked by an ugly old man...