Otouto 弟 おとうと is the. Would you like to know how to translate little brother to Japanese. Pin By Carolien On Japan Materi Bahasa Jepang Kosakata Belajar How to say younger brother in Japanese. . 弟 What is the Japanese word for brother. But if you wanted to talk about someone elses little. How to say little brother in Japanese Japanese Translation 弟 Otōto More Japanese words for little brother 末の弟 Sue no otōto little brother Find more words. This is used when talking about your younger brother to somebody else. These four terms are normally used when the speaker is describing siblings. Otouto 弟 おとうと is the only word for little brother in Japanese. Otouto i have 2 little brothers - watashi WA otouto ga futari ga imasu In Japanese Text. 弟 弟さん brother-in-law noun 義兄弟 義兄 brother in law 義兄弟 older brother noun 兄さん 兄 お兄さん お兄ちゃん half brother 異母兄弟 step brother 腹違いの兄弟 my brother 私. More Japanese words for younger bro...