Ep. 3: Kyousuke and Kirino reunite with Manami after their respective school graduations.
Aired on August 18, 2013

3
Following their high school and middle school graduations, Kyousuke and Kirino meet Manami in a park. Manami becomes enraged upon discovering the siblings' close bond and provokes Kirino, leading to a physical altercation between the two girls. Kyousuke later realizes that Manami was the one who previously told Kirino she could never be with her loved one. He confronts Manami for breaking them apart and criticizes her for being too harsh in forcing such a painful truth upon a young girl.
Episodes
- Ep. 1 · The protagonist is unable to confess his feelings to the girl he likes
- Ep. 2 · My Little Sister Is This Cute
- Ep. 3 · Kyousuke and Kirino reunite with Manami after their respective school graduations.