Quick answer — ClariS performed 2 anime themes, including "ALIVE" from Lycoris Recoil, "Anemone" from Classroom☆Crisis.
ClariS performed the anime theme songs "ALIVE" (Lycoris Recoil), "Anemone" (Classroom☆Crisis).
ClariS's first listed anime theme is "ALIVE", the opening of Lycoris Recoil.
