(Theme Song) My Sister, My Writer (Ore ga Suki nano wa Imouto dakedo Imouto ja Nai) TV Series OP: Secret Story by Purely Monster [Anime Collab Edition]

Release Date: 11/21/2018
Specifications: feat. Exclusive Cover Art
Catalog Number: USSW-126

The eagerly anticipated 3rd single from Purely Monster!

≪Content≫
01. Secret Story
02. Secret Story (アニメVer.)
03. Coupling Track A
04. 『俺が好きなのは妹だけど妹じゃない』Mini Drama

[エンハンスドCD]
・システムボイス (Purely Monster)
・壁紙