jitsumai
1. biological younger sister
Noun
#110821
1. biological younger sister
1. Younger sister, and
1. Younger sister's; Of younger sister
1. Not a younger sister.; Not my real younger sister.
1. Younger sister.; My younger sister.
1. Was a younger sister.
1. If younger sister; If it were my younger sister
1. If younger sister; If it were my younger sister
1. Probably younger sister.
1. Was younger sister.