Paradise Rule - Vol. 0 - Oneshot

[MangaDex]

 

[justforthelulz]

Lots of 19-related numerical references, but what does it mean?
Miku would be 3-9 (mitsu + kyuu), so is 19 = Iku (ichi + kyuu)?

 

[Ominous]

Starts out like a horror movie but ends with being almost wholesome.