Aibeya The Animation

With his house getting renovated and his parents overseas, Kouta Kazama has nowhere to go and ends up bunking with his childhood friend and next-door neighbor, Aki Hayama. Same room, close quarters, and a friendship that's been quietly shifting into something neither of them has put a name to yet. That's the entire setup, and for a single-episode OVA, it works. The childhood friends-to-lovers tension is the whole engine here, and the show leans into the nostalgia and awkward intimacy of two people who know each other deeply but are suddenly very aware they're a man and a woman sharing a bedroom. It's a straightforward premise executed without a lot of pretense. The animation from Studio Seven is clean and does the material justice, which matters for this genre. If you've watched Aikagi The Animation and liked how it handled a similarly cozy, low-drama setup between close acquaintances, this scratches the same itch. Fans of Boku no Kanojo ga Majime Sugiru Shojo Bitch na Ken who prefer something more grounded and less comedic might also find this more their speed. It's adapted from a visual novel, so the character dynamic has more foundation than you'd expect from one episode — there's an actual sense of history between Kouta and Aki that makes the tension feel earned rather than manufactured.