
Quick answer — Tapimiru performed 1 anime theme, including "Motenai Kuseni (`;ω;´)" from High School DxD HERO.
Tapimiru performed the anime theme songs "Motenai Kuseni (`;ω;´)" (High School DxD HERO).
Tapimiru's first listed anime theme is "Motenai Kuseni (`;ω;´)", the ending of High School DxD HERO.