![](https://image.tmdb.org/t/p/w342/aAH7MHYqmBujlTfKbMwPGsbtMc5.jpg)
92.979 Views
Futaba goes diving in a drysuit, as the gang looks to encounter the legendary Jet-Black Mermaid.
First Air Date : Jul 08, 2016
Last Air date : Jun 23, 2018
Episode : 24 Episode
Season : 2 Season
Runtime: 24 minutes
Country: Japan