Quick answer — Kashitarō Itō performed 1 anime theme, including "Kioku no Hakobune" from DECA-DENCE.
Kashitarō Itō performed the anime theme songs "Kioku no Hakobune" (DECA-DENCE).
Kashitarō Itō's first listed anime theme is "Kioku no Hakobune", the ending of DECA-DENCE.