• Book Name: Princess Princess - Sweet 10 Diamond~Lovers' Secret (Doujinshi) Manga
• Alternative(s): Kozouya Tokuhon SWEET 10 DIAMOND; Princess Princess dj - Lovers' Secret; Princess Princess dj - Sweet 10 Diamond
• Genre(s): Comedy Yaoi
• Author(s): EIKI Eiki, Kodomo Keibitai, Kozouya, ZAOU Taishi, ZAOUGUMI
• Status: Completed Download Manga
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Summary: A parody doujinshi of Train Train and Princess Princess. Yuujirou, annoyed with Mikoto's happy mood, decides to do a little something to knock him down a peg or two -- with Tohru's help. Yuujirou & Tohru x Mikoto