Watashi no Oniichan

A series of bishojo centered manga booklets. The booklets were sold with a limited edition plastic-figure assembly kit, designed by Ohshima Yuki, of the featured character of the week

Volume 1: New! (Mion)
Volume 2: Two! (Ashita)
Volume 3: Hot! (Harusame)
Volume 4: Why!? (Sonome)
Volume 5: Bye! (Eruron)
Bonus volume: eXtra! (Tetora)