Kiss x Sis

The Kiss x Sis original video animation series, produced by studio feel. and released starting in 2009, originated as an adaptation of the long-running manga by Bow Ditama. The series gained immediate notoriety for its provocative premise centered on the unconventional romantic entanglement between a protagonist and his two older stepsisters. Coming out of a period where fan-service-heavy narratives were finding a dedicated niche in the OVA market, the production was designed to leverage the established popularity of the source material while testing the boundaries of broadcast standards.

The animation direction by feel. prioritized a bright, polished aesthetic that contrasted with the racy subject matter, a stylistic choice common in the genre to attract a broader audience among anime enthusiasts. While the series was received with mixed critical sentiment due to its explicit thematic focus, it succeeded commercially within its demographic, leading to an eventual full-length television series. The project remains a notable example of the studio's early commitment to adapting controversial romantic comedies during the late 2000s anime boom.