
Quick answer — Minami Kuribayashi ::Episodes 15–24 performed 1 anime theme, including "unripe hero" from Blassreiter.
Minami Kuribayashi ::Episodes 15–24 performed the anime theme songs "unripe hero" (Blassreiter).
Minami Kuribayashi ::Episodes 15–24's first listed anime theme is "unripe hero", the opening of Blassreiter.