A subgenre of songs that i love

About some months ago i discovered what was going to be my current obssesion...
"界隈曲" (Kaiwai-kyoku) UTAU songs.
I love this subgenre a lot and i find myself listening to songs of the genre every day now lol.
My introduction to this weird but awesome world was a song called "." by 全てあなたの所為です。(Subete anata no sei desu). After that this song was my fixation, and i went as quick as possible to hear other songs from them.
Turns out i was just at the tip of the iceberg.
Some months passed by and i didn't care abt "." and UTAU songs in general as i did before, but then i found a gem in my recommendations scrolling on youtube in the early hours...
a song called "イワシがつちからはえてくるんだ" (Iwashi ga tsuchi kara haetekuru nda) (it features Teto, a very known UTAU voice!!).
This song has really opened the doors to this subgenre to me bc after listening to it
i found out more abt who made it (a person wich i will not be naming nor putting links abt here 'cause their wish was to not be mentioned nor given credit) and i fell in love with their songs!!
Their most known songs besides "イワシ" are
"ヤツメ穴" ( Yatsume ana)
". /クラゲ" (Kurage) my favorite lol
and 
"クロマグロがとんでくる" (kuromaguro ga tondekuru)

I highly recommend anywone to take a listen.
These 4 songs i mentioned (by the annonymous artist) are my all time favorites now and i can't stop listening to them.
It might not be for everybody but i guess some ppl will find them cool js like me!!