: The episode features prominent female characters from the main series, including Hiyoko Tamaizumi , Asuka Watarai , Kinako Mochizuki , and Eriko Hino . Background and Context

: The characters hear rumors of a female ghost haunting the spring who supposedly bestows blessings on those seeking love.

: The title roughly translates to "Skin Color Rate Increased by 90%!?," indicating a heavier focus on fanservice and "ecchi" content compared to the main storyline.

: This episode serves as a side story to the 12-episode television series, Oretachi ni Tsubasa wa Nai: Under the Innocent Sky .