Action bl

red candy also has a spinoff!

https://www.mangago.zone/read-manga/big_apple/

secret clumsy spy and uh s*x addict bottom
https://www.mangago.zone/read-manga/liveta/

Shutline is very different vibe but quite similar in terms of action and agents and stuff. can’t say more because spoilers!
https://www.mangago.zone/read-manga/shutline/

there’s a few with some military/spy stories like codename anastasia

here’s a list i like:

https://www.mangago.zone/home/mangalist/1337048/?filter=&page=1

isnt this the spin off? https://www.mangago.zone/read-manga/bad_apple/
pretty sure big apple is like different manhwa entirely

Thank you(づ￣ ³￣)づ