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Wadanohara and the Great Blue Sea
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This page or section contains heavy spoilers about Wadanohara and the Great Blue Sea. If you wish not to be spoiled, do not read this article unless you have played the game. Perhaps, read something else instead!
This article is about the original version of WatGBS. For the re-released version of the game, see Wadanohara and the Great Blue Sea -Reboot-.
A clear blue sea under a beautiful blue sky.
After a long departure, the sea witch Wadanohara travels back home with her familiars.
But her ex-familiar, the shark Samekichi, appears to block her way:
"You shouldn't be here... Leave this sea, right now."

Wadanohara and the Great Blue Sea

Japanese Title 大海原と大海原
Romaji Title Ōunabara to Wadanohara
Media Information
Media Game, Manga
Series Wadanohara and the Great Blue Sea
Engine RPG Maker 2000
Platforms Windows
MacOS (via RPGHub)
Linux (via EasyRPG Player)
Release Date Game:
December 21, 2013
August 13, 2015
Latest Update Version 1.04 (10/31/2015)
Official Page Game:

Pages of Official Translations
Chinese (traditional) Manga:
Deep-Sea Prisoner
English Game: vgperson
Deep-Sea Prisoner
Indonesian Shiyori NekoChi
Italian rupicola team
Portuguese Zero Corpse
Russian Team Horroria
Spanish Tsumin

Wadanohara and the Great Blue Sea (大海原と大海原) is Deep-Sea Prisoner's third game, released on December 21, 2013. The story centers around the game's titular protagonist, Wadanohara, and her homeland, the Blue Sea.

Note: Deep-Sea Prisoner rates this game age 15+, but keep in mind that this is according to the Japanese standard, and depending on a country's standard, age 18+ might be more appropriate. There is graphic content later in the game such as body horror, implied sexual assault, and other violent imagery.

On February 1, 2020, a reboot of the game was released with some new features such as new videos in the Bonus Room, animations, conversations, and more.


Wadanohara returns to the Blue Sea after a trip and is greeted by the residents there. The Totsusa Kingdom, however, is sending their soldiers over in an attempt of invasion. Employees of the court have stated they would like to avoid invasion as much a possible. Wadanohara is sent with her familiars to fix the six blue orbs that connect into a barrier protecting the Blue Sea. Every time Wadanohara fixes an orb, she states that something feels odd, strange, or anything of the like. After fixing every orb, the Blue Sea has a banquet in celebration of it. During the banquet, Wadanohara goes to the surface and then encounters Laurentia, a demon employed by the Totsusa Kingdom. She breaks all the orbs, destroying the barrier, and allowing the Totsusa Kingdom to invade.

This is only the beginning. After making it through the invading Totsusa Soldiers, Wadanohara and her familiars manage to make it to the throne room just as Totsusahime is cornering Uomihime. From there, the two girls are quick to make up, the whole issue being something Uomihime did not even do. Obviously, there is something afoot here. The second part of the game goes into this, showing a much darker enemy coming to rise against the Blue Sea with twists and turns most players are surprised by.

There are numerous endings, and the player is forced to view most of them to reach the True Ending.

Preview Images


The manga version of Wadanohara and the Great Blue Sea was first published on August 13, 2015. The story follows the first half of the game, though there are differences in some of the scenes. There is also a hard copy version of the comic that can be bought here.


The second half of the game was also drawn as manga. Wadanohara and the Great Blue Sea: Shi no Umi-hen was first published on June 17, 2017, on Pixiv comics. There are ten chapters plus a finale. It is only available in Japanese on this site. No hard copies have yet to be published as of now.

Deep-sea Prisoner also did an interview with Genepixiv, in which she talked about the various facets involved in her creative process, and how the story that is Wadanohara and the Great Blue Sea came to be.


  • Three works made by three different fans of the game were featured by Deep-Sea Prisoner in the game's bonus page that can be accessed by people who beat the game.
    • A small model of Wadanohara's appearance in Normal End 2 was created by a user by the name of 夜宵様.
    • A YouTuber by the name of YZYX created a song titled The Little Witch, featuring Wadanohara.
    • A YouTuber by the name of Yojelin made an instrumental piece titled The Blue Sea Witch, which tries to convey the atmosphere of Wadanohara's presence during Normal End 2 as the Blue Sea Witch.


Wadanohara and the Great Blue Sea
Wadanohara and the Great Blue Sea
Enemies · Items
Major Dolpi · Fukami · Helica · Meikai · Memoca · Mikotsuhime · Pulmo · Samekichi · Syakesan · Tatsumiya · Totsusahime · Uomihime · Wadanohara
Minor Adauchi · Aom · Aounabara · Artamos · Cherryblod · Chlomaki · Creamil · Doloz · Great Witch · Hofuru · Idate · Irena · Jiiya · Laurentia · Lobco · Met · Minero · Miyura · Nekoyama · Old · Rimorimo · Seguro · Sheep · Squid · Stella · Tarako · Tomoshibi · Totsusa Soldier · Tsuribari · Ver Million
Cameo Amemiya · Benihotaru · Bloody Mary · Giltz · Gyakuten · Hanahata · Kaen · Kagimori · Maekami · Mogeko · Noir · Ptomain · Reley Lo · Rock · Sagan · Shiroame · Shiroma · Starlit Night · Sullivan · Syokamori · Tetsuzora · Tokinome · Torisan · Touya · Tsumuri · Tuchikure · Yohira · Ziki

Deep-Sea Prisoner
General Deep-Sea Prisoner · funamusea.com
Deep-Sea Prisoner's Works
Games A Paradise Submerged in Darkness* · Carnival Rhythm* · Devil Girl Ivlin* · Garden Gray The · General Hashasky's Great Adventure* · Ice Scream · Mogeko Castle · The End of the Wonderland* · The Gray Garden (Remake)* · Wadanohara and the Great Blue Sea (Reboot)
Manga Obsolete Dream · Seaside Dispatches 1 · Seaside Dispatches 2 · Seaside Dispatches 2.5*
Flash Poison Bugs · The Sun's Curse
* = has yet to be released