Kuchinashi Kouko has set up a solo activity club to enjoy her alone time. The club's activities include gazing at her favorite person. Just when she thinks she has gotten the club room she has longed for, she is somehow accompanied by her favorite, Shimazaki-kun! 口無紺子はソロ活動部を立ち上げる。主な活動内容は一人時間を楽しむことと推しのあの人を遠くから眺めること!!念願の部室を手に入れたと思っていたら、なぜか推しの志摩崎がいて…!?