Kyonyuu ga Futari Inai to Bokki Shinai Otto no Tame ni Tomodachi wo Tsuretekita Tsuma

Here's a guy who literally cannot get it up without two busty women in the room at the same time. That's the premise, and this 2-episode OVA commits to it with zero hesitation. Here's the setup: his wife, who is herself well-endowed, realizes that she alone isn't enough to trigger her husband's very specific arousal condition. Rather than sulking about it or letting their marriage wither, she takes matters into her own hands and brings her equally stacked friend home to help out. What follows is a consensual threesome arrangement where the wife is genuinely calling the shots, not some reluctant bystander. She's the architect of the whole thing, which gives it a weirdly cooperative energy you don't always see in this genre. The character designs are exactly what you'd expect from something with "kyonyuu" in the title — exaggerated proportions that are clearly the main attraction. Based on a manga, and the adaptation leans hard into the fetish without pretending to be anything else. If you're into titles like Tsuma to Mama Katsu or Kyonyuu Kazoku, this hits a similar note but with a more specific hook driving the plot. Fans of EroTsuma's married-couple dynamic will find familiar territory here too, just with an extra participant. It's niche, it knows its audience, and it doesn't waste time getting where it's going.