Issue: #1
Chapter TitlesNavigation 01: The Water Planet (水の惑星, Mizu no Wakusei)Navigation 02: The Guide on the Water (水先案内人, Mizusaki Annainin)Navigation 03: The City Submerged (水没の街, Suibotsu no Machi)Navigation 04: The Kingdom of Cats (猫の王国, Neko no Ōkoku)Navigation 05: The Hill of Hope (希望の丘, Kibō no Oka)
Creators: Kozue Amano