Quick answer — Inagaki and Ichinose performed 1 anime theme, including "Tsuzuku Hanashi" from Do It Yourself!!.
Inagaki and Ichinose performed the anime theme songs "Tsuzuku Hanashi" (Do It Yourself!!).
Inagaki and Ichinose's first listed anime theme is "Tsuzuku Hanashi", the ending of Do It Yourself!!.