声優×ヒーロー×音楽！新プロジェクト「PRELUDERS」 大石昌良作詞作曲 護人明日可（CV.榎木淳弥）が率いるHigh Fiveと久地守凰（CV.内田雄馬） が率いるS-quadによる主題歌。 “PRELUDERS” is a project which consists of music and audio drama. Songs will be released one after another from May and an album will be released in August. At the same time as the release of each song, the audio drama will be released by CD and online streaming.