- Series Hiatus: The release schedule had been reduced for a while from monthly to tri-monthly due to Amano's pregnancy and childbirth.
- The big building the main characters visit a few times is the "Ocean Bazaar", situated at Ito's coast. The foot baths shown are real too.
- Aside from being popular with the diving community, Ito is well-known for its abundant natural hot springs.
Trivia / Amanchu!