Morfonica (stylized as Morƒonica, shortened to Monica) is a five-piece all-girl violin rock band from the BanG Dream! franchise. What sets them apart is that every member actually plays their own instrument during live shows—no backing tracks or substitutes.

The lineup consists of:

- Amane Shindou playing vocals (real name: Mashiro Kurata)

- Hina Suguta on guitar (real name: Touko Kirigaya)

- Yuuka Nishio on bass (real name: Nanami Hiromachi)

- Mika on drums (real name: Tsukushi Futaba)

- Ayasa on violin (real name: Rui Yashio)