ONIMAI: I'm Now Your Sister! - Season 1 Episode 2 : Mahiro's Time of the Month
When lazy, erotic-game loving Mahiro Oyama is transformed into a girl by his younger scientist sister's experiments, he becomes determined to change back, only to recognize that with his new opportunity, he may want to turn his life around.
First Air Date : Jan 05, 2023
Last Air Date : Mar 23, 2023
Runtime : 24 min.
Stars : Marika Kouno, Kaori Ishihara, Hisako Kanemoto, Minami Tsuda, Kana Yuuki, Natsumi Hioka
Quality : 
- Eps. 1 : Mahiro's Confusing New Body2023-01-05
- Eps. 2 : Mahiro's Time of the Month2023-01-12
- Eps. 3 : Mahiro's Close Encounter2023-01-19
- Eps. 4 : Mahiro's New Friend2023-01-26
- Eps. 7 : Mahiro's Role-Playing Game2023-02-16
- Eps. 8 : Mahiro's First Girls Sleepover2023-02-23
- Eps. 9 : Mahiro Rings in the New Year2023-03-02
- Eps. 11 : Mahiro Pretties Up2023-03-16
- Eps. 12 : Mahiro's Future as a Sister2023-03-23
