Kono Subarashii Sekai ni Syukufuku o! - The More We Fight, The Better We Get Along (Doujinshi)

[MangaDex]

 

[KatoShuu]

His Twitter account got nuked, this is the new one
https://x.com/akutenkou512?t=M1g93jpGjEEQt-eyxorlqA&s=09

Buy the official RAW
Toranoana
https://ec.toranoana.jp/tora_r/ec/item/040030760419/

Melonbooks
https://www.melonbooks.co.jp/detail/detail.php?product_id=532545&adult_view=1

The physical books are sold out as of this writing
Here's to buy the digital RAW
FANBOX
https://bad-weather0512.fanbox.cc/posts/2466458