Osananajimi no Hatsukoi Kyoushitsu
Complete | niko nakai | 2000 released
Kind of jumps around a bit and doesn't make a whole lot of sense
Oujisama Wo Tsukamaero!
Complete | Fujii Mitori | 2003 released
Main story is great, but chap. 6 is a shota oneshot and is rather out of place.
Natsumichi Drive