They agreed on rules: no secrets kept afterward, no punishment, no falling in love. The night would be a portable experiment — contained, then left behind.
: An 8-episode ONA produced by Studio Hokiboshi . It originally aired in the summer of 2023 on the AnimeFesta website .
A Unique Blend of Romance and Fantasy: A Look into "Fuufu Koukan: Modorenai Yoru Manga Portable"