Shirabe
姉妹丼

姉妹しまい

Common Noun
English jmdict
1
noun (common) (futsuumeishi) sisters
彼の姉妹は二人とも美人です。
Both his sisters are beautiful.
English jmdict
1
noun (common) (futsuumeishi) vulgar expression or word slang threesome including two women who are sisters