"Yellow" follows the Shoegaze route, which was highly acclaimed in the previous work "Pink", and gently leans on pop music.The lead song "Koharuhi" was created by Tomoya Matsuura, who is known for providing songs to YUKI and My Little Lover, and is also active in the odd time signature shoegaze band monocism. "Regignation" was produced by noise pop band my dead girlfriend's ishikawa, and "17" was produced by post-black metal band Asunojokei 's Kei Toriki.