Ch.1

Jan 14, 2011

Ch.2

Jan 14, 2011

Ch.3

Jan 14, 2011

Ch.4 : Toshiko and Naomi's case I

Mar 11, 2015

Ch.5

Mar 15, 2015

Vol.1 Ch.6 : Toshiko and Naomi's case III

Mar 17, 2015

Ch.7

Mar 28, 2015

Ch.8

Mar 31, 2015

Ch.9

Jun 03, 2015

Vol.2 Ch.10 : Yui and Saori's case I

Aug 26, 2015

Vol.2 Ch.11 : Yui and Saori's case II

Sep 13, 2015

Vol.2 Ch.12

Oct 31, 2015

Vol.2 Ch.13 : Hidemi and Nanae‘s case I

Nov 14, 2015

Vol.2 Ch.14 : Hidemi and Nanae‘s case II

Nov 14, 2015

Vol.3 Ch.14.9 : Prologue

Mar 21, 2018

Vol.3 Ch.15

Mar 20, 2018

Vol.3 Ch.16 : The Case of Shinobu and Sakura II

Apr 13, 2018

Vol.3 Ch.17 : The Case of Shinobu and Shuutarou I

Apr 24, 2018

Vol.3 Ch.18 : The Case of Shinobu and Shuutarou II

Dec 11, 2019

Vol.3 Ch.19 : Night-time Survey

Dec 19, 2019

Vol.3 Ch.20 : Condition To Return

Dec 26, 2019

Vol.4 Ch.21 : The Case of Yukari, Hiromi, and Shouta

Dec 31, 2019

Vol.4 Ch.22 : Another Notebook

Jan 05, 2020

Vol.4 Ch.23 : Shinobu's Love

Jan 13, 2020

Vol.4 Ch.24 : The Case of Shinobu and Saya Pt. I

Jan 21, 2020

Vol.4 Ch.25 : The Case of Shinobu and Saya II

Jan 24, 2020

Vol.4 Ch.26 : The Case of Shinobu and Saya Pt. III

Feb 02, 2020

Vol.5 Ch.27 : Morning of Despair

Feb 04, 2020

Vol.5 Ch.28 : Another Mermaid Legend

Feb 11, 2020

Vol.5 Ch.29 : The Q Mermaid

Feb 17, 2020

Vol.5 Ch.30 : The R Mermaid

Feb 22, 2020

Vol.5 Ch.31 : The Truth Revealed

Feb 29, 2020

Vol.5 Ch.32 : Deeper Into the Abyss

Mar 12, 2020