姉, あね, ane, Older Sister. 15. 義理の弟, ぎりのおとうと, giri no otouto, Brother-in-law (younger than you) 妹さん, いもうとさん, imouto san, Younger Sister. Sister, Older, anne. Sister, Younger, imoto. Brothers and Sisters, kyodai. Brother/Sister-in-law, same as Big/Little Brother/Sister above, but use different kanji.