Shōjo Comic
A spin-off series, , began serialization in "Shōjo Comic" simultaneously in 2005. Focusing on Yori's upperclassmen Takuma Kakinouchi and his childhood sweetheart Mayu Taneda, the series ran until mid-2008. Shogakukan published the individual chapters across twelve "tankōbon" volumes, with the first released December 20, 2005 and the last on August 26, 2008.