otōtoimōtodattara
1. If/when younger sibling; If I were your younger sibling
★ Common
Noun
#47838
1. If/when younger sibling; If I were your younger sibling
1. if it's the case
1. younger sister
1. sister-in-law (spouse's younger sister or younger brother's wife)
2. younger stepsister; younger adopted sister
1. younger brother; little brother
2. brother-in-law (spouse's younger brother or younger sister's husband)
3. pupil; apprentice
1. younger brother and sister
1. brother-in-law (spouse's younger brother or younger sister's husband)
2. younger stepbrother
1. not be found
1. If it comes out; When it comes out