Oreimo

Kyosuke Kosaka's ordinary life takes an abrupt turn when he stumbles upon a secret his seemingly perfect younger sister, Kirino, has been meticulously hiding. Far from the angelic student and model she appears to be, Kirino is a passionate otaku with a deep love for eroge games and anime, a hobby she's kept under wraps from everyone, especially her family, for years. This accidental discovery forces a reluctant Kyosuke into her private world, becoming her confidant and, often, her unwitting accomplice. As Kyosuke navigates Kirino's increasingly outlandish requests and helps her connect with fellow enthusiasts in Akihabara, their previously distant sibling relationship begins to evolve in unexpected ways. What starts as a series of comedic misadventures soon blossoms into a charming and often heartwarming exploration of family bonds, personal passions, and the challenges of finding acceptance in a world that doesn't always understand niche interests.

✦ AI-drafted summary