Boku ni Sexfriend ga Dekita Riyuu

A new neighborhood brings little comfort for Nanashi — except for one silver lining in his next-door neighbor, Hitomi Rinmuro, a warm, welcoming housewife who greets him every morning like he belongs there. He develops feelings, fantasies, and eventually a fetish he wasn't expecting. Then one evening he watches her undress through the window, and the next morning she confronts him about it directly. What follows isn't what you'd expect from that setup. Rather than a straightforward escalation, the two fall into something messier and more emotionally complicated than either of them planned. The series is a 6-episode OVA from T-Rex based on a manga, and it leans into the psychological awkwardness of the situation more than most titles in the genre bother to. The animation pays unusual attention to facial expressions and body language, which actually matters here because a lot of the tension lives in what characters aren't saying out loud. Don't go in expecting a simple fantasy — the dynamic between Nanashi and Hitomi carries real emotional weight, including the guilt and conflict that comes with a relationship that has no clean moral answer. If you liked the character-driven approach in Boku ni Harem Sexfriend ga Dekita Riyuu or appreciated how Ojisan wa Oshiego handled complicated adult dynamics, this sits in similar territory. It's quieter and more grounded than most, which is either exactly what you're looking for or a sign to look elsewhere.