Mafumafu（1991年10月18日－），係來日本嘅男歌手、唱見同埋創作歌手。佢嘅血型係AB型，代表色為係白色。除咗個人活動之外，佢都會同埋歌手SORARU組成樂隊“After the Rain”，仲擔任埋呢支樂隊嘅作詞、作曲同埋編曲。Mafumafu嘅音域好闊，從低音域都同VOCALOID差唔多嘅高音域佢都發得出。佢嘅音樂視頻喺網上被人睇過10億次仲多。
Mafumafu (born October 18, 1991) is a male singer, singer-songwriter and singer-songwriter from Japan. His blood type is AB, and his color is white. In addition to his solo activities, he also formed the band After the Rain with singer SORARU, and also served as a lyricist, composer and arranger for the band. Mafumafu has a wide vocal range, and he can tell it from the high register, which is about the same as that of the VOCALOID. His music videos have been viewed more than 1 billion times online.