kuso miso technique
Lit.;Shit Soup Technique
A one-shot bara manga by Yamakawa Jun'ichi, released in 1987.
It's about two gay men: Young Masaki Michishita who is sensitive to handsome man. and Takakazu Abe, a car mechanic who's sitting on a bench in front of bathroom, they encountered each other in the most iconic encounters in eromanga's history and end up having sex in a bathroom stall.
Due to several amounts of funny quotes and memorable reaction faces featured, the manga later spawned the meme "Yaranaika?" in 2002. which would spread worldwide in few years later. As well as sparking the booming of the yaoi and yuri contents which lasted till today.