真夏のヘリオス (Best Blue ver.) Provided to YouTube by BIG ISLAND RECORDS 真夏のヘリオス (Best Blue ver.) · Gunjo no sekai Best Blue ℗ 2023 BIG ISLAND RECORDS Released on: 2023-12-27 Lyricist: Shuho Mitani Composer: Shuho Mitani Auto-generated by YouTube. Best BlueGunjo no sekaiUnderground IdolUnderground Idol GroupsUnderground Idolsグンジョウノセカイ地下アイドル真夏のヘリオス (Best Blue ver.)群青の世界 Write A CommentYou must be logged in to post a comment.