[1] Ogawa was born in Hyōgo Prefecture and was enrolled at a talent school in Osaka named Caless.

[2] Prior to her career as a musician, she appeared along with her future bandmate Mami and singer Yuya Matsushita in a TV commercial.

[4] Scandal performed a concert at the Nippon Budokan in March 2012, marking the fastest debut at the prestigious venue by a "girl band" in history.

[7] In 2016, the duo's songs "Sekapero" (セカペロ) and "Dobondobondo Dungeon" (どぼんどぼんどダンジョン) were included on different limited editions of Scandal's single "Take Me Out".

[9] On March 11, 2014, Oricon and Fuji TV announced that Tomomi would be the new bassist of the Domoto Brothers Band, the house band that plays for the Sunday night TV musical variety show Shin Domoto Kyodai (新堂本兄弟).