少年の悩み

On these albums

Mana-Khemia Original Soundtrack中河健 & 阿知波大輔 · 2007Soundtrack

ガスト20周年記念CDボックスVarious Artists · 2015Soundtrack

Source: MusicBrainz recording 52d4664c-a2c0-45c5-bcc2-d3d68210943b (CC0).