Hajime Tanaka

[Oshi No Ko] Spica the First S

[Oshi No Ko] Spica the First Star (light Novel)

2025

Mist gears blast T01

2021

Joho shoriron gairon

1989

Kenkyu kateiron (Hokudai sensho)

1988

Mirai e no kasetsu

Mirai e no kasetsu