Quick answer — Haruka Tomatsu performed 4 anime themes, including "Date TIME" from Samurai Flamenco, "Girls, Be Ambitious." from Sound of the Sky, "nO limiT" from BASQUASH!.
Haruka Tomatsu performed the anime theme songs "Date TIME" (Samurai Flamenco), "Girls, Be Ambitious." (Sound of the Sky), "nO limiT" (BASQUASH!), "Yume Sekai" (Sword Art Online).
Haruka Tomatsu's first listed anime theme is "Date TIME", the ending of Samurai Flamenco.
