Her knuckle is a unit fronted by former BiS member Hanako and To Be Continued member Goto Yusuke.
- Hanako (Vocals)
- Goto Yusuke (後藤友輔) (Music)
On March 13th, 2020, it was announced on Hanako's twitter that she would be fronting a new music project led by Goto Yusuke, of the band To Be Continued. The same day, they announced their debut single, Lemon Hata no Kyouryuu, with its music video released two days later.
- [2020.xx.xx] Lemon Hata no Kyouryuu