In HKT48, she is in Team KIV, and in AKB48 in Team B. On March 30, 2016, Mio Tomonaga released her first photobook, titled Hinata.
Di HKT48, ia berada di Tim KIV, dan di AKB48, ia berada di Tim B. Pada 30 Maret 2016, Mio Tomonaga merilis photobook pertamanya, yang berjudul Hinata.