| | Details | | :--- | :--- | | Japanese Title | 義姉はヤンママ授乳中 | | English Title(s) | My Former Delinquent Sister is a Nursing Mother; My Former Delinquent Sis Is a Nursing Mom | | Type | OVA (Original Video Animation) | | Number of Episodes | 2 | | Episode Length | 16 minutes per episode | | Original Run | June 5, 2020 to July 3, 2020 | | Studio | T-Rex | | Producer(s) | Lune-Pictures / Lune Soft | | Director | Ken Raika (also credited as Raika Ken) | | Source Material | Manga by 'Chinjao Girl.' (Suguru Engawa) | | Rating | Rx - Hentai / Adults Only (R18+) |