
Quick answer — Maaya Uchida performed 4 anime themes, including "INNOCENT NOTE" from Gatchaman Crowds, "Strobe Memory" from SSSS.DYNAZENON, "youthful beautiful" from SSSS.GRIDMAN.
Maaya Uchida performed the anime theme songs "INNOCENT NOTE" (Gatchaman Crowds), "Strobe Memory" (SSSS.DYNAZENON), "youthful beautiful" (SSSS.GRIDMAN), "Arifureta Shiawase" (Vividred Operation).
Maaya Uchida's first listed anime theme is "INNOCENT NOTE", the ending of Gatchaman Crowds.