Towa Takaya has provided the cover artwork for all six volumes of the Shin Seisen series of high school Japanese language textbooks published by Meiji Shoin.

Shin Seisen Gendai no Kokugo: Aritsuzukeru / there and here (2023)
Shin Seisen Gengo Bunka: Kaze Hikaru / Clarity of being (2023)
Shin Seisen Ronri Kokugo: Akatsuki / The nature of unknownness (2023)
Shin Seisen Bungaku Kokugo: Asakaze / Accepting (2023)
Shin Seisen Koten Tankyu — Kobun-hen: Koki ni Saku / Seize in future (2023)
Shin Seisen Koten Tankyu — Kanbun-hen: Sode no Habakaze / At once (2023)

Shin Seisen Gendai no Kokugo and Shin Seisen Gengo Bunka will be introduced in high schools nationwide from the 2026 academic year; the remaining four volumes from 2027.

Publisher: Meiji Shoin
Shin Seisen Gendai no Kokugo:
Shin Seisen Gengo Bunka:
Shin Seisen Ronri Kokugo:
Shin Seisen Bungaku Kokugo:
Shin Seisen Koten Tankyu — Kobun-hen: https://www.meijishoin.co.jp/book/b676178.html
Shin Seisen Koten Tankyu — Kanbun-hen: https://www.meijishoin.co.jp/book/b676162.html