その保健室は夢現への入り口――。
ド級のマイペース女子高校生・三ノ瀬渉（わたる）は、毎日屋上から飛び降りる“友人”の夢を見ていた。
ある日、その友人から貰った旧校舎の保健室の鍵を使ってみたら、使われていないはずの保健室に美しくも妖しい女性がいて…。
圧倒的ビジュアルで放つJK×妖異のオリジナル幻想奇譚、開演!!
The infirmary is the entrance to Yumegen.
Wataru Sannose, a high school girl at her own pace, dreamed of being a “friend” who jumped off the roof every day.
One day, when I used the key of the infirmary of the old school building that my friend gave me, there was a beautiful and mysterious woman in the infirmary that should not have been used.
JK x Youth’s original fantasy tale, which is released with overwhelming visuals, starts !!
