Raqiya: The New Book of Revelation

r/webtoons · Recommend me angst with a VERY SAD ending

I just read again and it seems you don't mind manga. The classic would be Oyasumi Punpun. Then according to which I like: Aku no Hana-Blood on Tracks-Raqiya-Juujika no Rokunin-Inside Mari-Maria no Danzai. Honestly, any Shuzo Oshimi's work is great but the best are the three I mentioned above