Crimsons Gaiden - River Side Story

16 short stories included in the 4 volumes of Crimsons - Akai Koukaishatachi:

Volume 1 contains "Crimsons Gaiden: River Side Story" parts 1-3.
Volume 2 contains "Crimsons Gaiden: River Side Story" parts 4-8.
Volume 3 contains "Crimsons Gaiden: River Side Story" parts 9-11.
Volume 4 contains "Crimsons Gaiden: River Side Story" parts 12-16.