Quick answer — Super Beaver performed 1 anime theme, including "HAIKYU!! TO THE TOP - Opening 2 | Toppako" from HAIKYU!! TO THE TOP.
Super Beaver performed the anime theme songs "HAIKYU!! TO THE TOP - Opening 2 | Toppako" (HAIKYU!! TO THE TOP).
Super Beaver's first listed anime theme is "HAIKYU!! TO THE TOP - Opening 2 | Toppako", the opening of HAIKYU!! TO THE TOP.