@drvfd
@zz2000
he clearly is osamu dazai, it's the exact date and location of his death : june 13 1948 Tamagawa Canal. I'm betting we won't know his original name though
@ItsMiko
I thought of 'Love After World Domination' first. but yes, it's easy to recognize this artist's manga
@yarielist
Nozomu Itoshiki (zetsubou sensei) is based on MC of ningen shikkaku
( https://en.wikipedia.org/wiki/List_of_Sayonara,_Zetsubou-Sensei_characters#Itoshiki_family )
osamu's last book which is partially considered autobiographical