From Hachimitsu Scans:

One-shot manga anthologies featuring traps called Josou Shounen (Cross-dressing Boys) since July 2010. There have been 17 volumes published to date. Each volume carries a subtitle. They are:

1. White Group (Shiro-gumi)
2. Peach Group (Momo-gumi)
3. Princess Group (Hime-gumi)
4. Blue Group (Ao-gumi)
5. Red Group (Aka-gumi)
6. Cherry Blossom Group (Sakura-gumi)
7. Plum Group (Sumomo-gumi)
8. Melon Group (Melon-gumi)
9. Apple Group (Ringo-gumi)
10. Satsuma Group (Mikan-gumi)
11. Grape Group (Budou-gumi)
12. Banana Group (Banana-gumi)
13. Plum Group (Plum-gumi)
14. Watermelon Group (Suika-gumi)
15. Ribbon Group (Ribon-gumi)
16. Princess Strawberry Group (Hime Ichigo-gumi)
17. Princess Apple Group (Hime Ringo-gumi)

A summary of the one-shots can be seen here.