Kyuukou, Escape, Mermaid.

[MangaDex]

 

[SanityBlurz]

Lookin forward to more! Keep up the good work Translator!

 

[Siranto1]

This was a good read.

 

[Grenzoocoon]

Says Oneshot as the format, labels it as chapter 1. Hmm.

 

[Roka_Mayono]

Rather short but I loved the mermaid's design!