Koha-Ace is a parody manga by Keikenchi, licensed by TYPE-MOON and serialized in Comptiq since 2012, spanning seven arcs as of January 2019. It stars Kohaku and features characters from various TYPE-MOON series. It is drawn in a super deformed style, and it is a self-aware series that constantly breaks the fourth wall. The name of the series itself combines the names of Kohaku and TYPE-MOON Ace magazine.