Oh, when's my sister coming back?

–Irena, Wadanohara and the Great Blue Sea



Character Information
Japanese Name イレーナ
Romaji Name Irena
Character Code Originally 0275[1]
Location Blue Sea
Status Active
Biological Information
Species Mermaid
Gender Female
Professional Status
Affiliation Blue Sea
Personal Status
Relatives Reley Lo (Younger Sister)

Irena (イレーナ) is a mermaid from Wadanohara and the Great Blue Sea. She is a friend of Wadanohara and a resident of Deepsea Town.


Sprt Irena
Irena has strawberry blonde hair with a heart-shaped mark on the right side, braided into two strands. Her bangs are layered and sideswept. She has golden yellow eyes with white pupils. She has a long mermaid tail which is the same color as her hair. She wears a fluffy dark red kimono.


Irena is shown to like naps and snacks. During a flashback in the game, Irena often sends Wadanohara on errands seeing as she can't walk on land (much to Samekichi's dislike). Her bio also states that she is very talented at singing.





Wadanohara Cast


Wadanohara is one of Irena's friends. Irena often asks her to do tasks.


Aom is one of Irena's friends.

Other Characters

Reley Lo

Reley is Irena's sister.


  • She has a younger sister named Reley Lo.
  • She is one of the characters in Wadanohara and the Great Blue Sea that doesn't have an official character portrait yet. The others are Miyura and Nekoyama.
  • Her original character code is 0275.[1] However as of now, this is the character code for Higan.
  • Her name might be derived from the greek mythology creature, "Siren".


This be a notice,
Ci-en and lost images be banned.
As of August 10, 2018, Users may now upload any image from Deep-Sea Prisoner's site, but deleted images and images from their Ci-en account may not be uploaded. Kindly read our upload guidelines for further reading!

In-game photos

Official artwork



  1. 1.0 1.1


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 · Artamos · Cherryblod · Chlomaki · Creamil · Daimajo · Doloz · Hofuru · Idate · Irena · Jiiya · Laurentia · Lobco · Met · Minero · Miyura · Nekoyama · Old · Rimorimo · Seguro · Sheep · Squid · Stella · Tarako · The Sea King · Tomoshibi · Totsusa Soldier · Tsuribari · Ver Million
Cameo Amemiya · Bloody Mary · Giltz · Gyakuten · Hanahata · Kaen · Kagimori · Maekami · Mogeko · Noir · Ptomain · Reley Lo · Rock · Sagan · Shiroma · Shiroame · Starlit Night · Sullivan · Syokamori · Tetsuzora · Tokinome · Tsumuri · Yohira · Ziki
Community content is available under CC-BY-SA unless otherwise noted.