Daremo Shiranai 29-nichi

Yukio resides in an apartment reportedly haunted by a ghost. He encounters the spirit, a girl named Akari. Despite their contrasting natures, the two develop a relationship resembling that of a boyfriend and girlfriend. They intend to mark their shared birthday, which occurs on February 29, a date that appears once every four years.

Isinasalin pa — orihinal na teksto sa English.