|Years||2009.04.23 - present|
Mettle is a band formed on April 23rd 2009. There was five members, 4 females playing the instruments and a male on vocals untill September 2009. On September 2009 純 (Jun) left the band. After 純(Jun) left the band, the band took an activity pause but returned on September 19th 2009. On their official myspace they stated about bands like The GazettE, Dir en grey and Nightmare as their influences.
- Ri_ki - Vocals (2009.04.23 - present)
- えりりん (Eririn) - Guitar (2009.04.23 - present)
- 尚已 (Naoi) - Bass (2009.04.23 - present)
- 夏海 (Natsumi) - Drums (2009.04.23 - present)
- 純 (Jun) - Guitar (2009.04.23 - 2009.09.??)