Notes:
Volume 1 contains the following one-shots:
- Kaiki (回帰)
- K-ko-chan no Koten Kotohajime (Ｋ子ちゃんの個展事始)
- Shistesu Shichirigahama Doubutsuen (私設七里ヶ浜動物園)
Volume 2 contains the following one-shots:
- K-ko-chan no Koten Are ya Kore ya (Ｋ子ちゃんの個展あれやこれや)
- Mongol no Daisougen de Uma ni Notta...!! (モンゴルの大草原で馬に乗った…!!)