(My Former Delinquent Stepsister is a Nursing Mother) is a two-episode adult OVA (Original Video Animation) series released in the summer of 2020. While the core episodes were published between June and July of 2020, interest in the series remained high throughout 2021 as it became more widely available on adult streaming platforms and physical media. Plot Overview and Premise

The protagonist who finds himself in an awkward living situation when his stepsister moves in.

The story follows Takuya Sano, whose life is suddenly upended when his older stepsister, Aika, moves back into the family home. Aika, characterized as a "yanmama" (a former delinquent mother), brings along her young children after experiencing marital troubles.

June 5, 2020 (Ep 1) and July 3, 2020 (Ep 2) Main Characters

The series was produced by , a developer known in the adult animation space for high-quality production values. Director: Ken Raika Character Design: Takahito Suzuki Format: 2 OVA Episodes (approx. 17–20 minutes each)

Takuya's older stepsister. A former delinquent with a carefree attitude toward her appearance, she is the primary focus of Takuya's affection.