yaoi manga caught masturbating?

Window beyond WIndow!
It's a Korean Webcomic but it stopped uploading on this website I think :-(

http://www.mangago.zone/read-manga/toshigoro_no_otokonoko_to_are/

http://www.mangago.zone/read-manga/punch_up/me/En/Punch+Up/11.5/12/ ╮(￣▽￣)╭

http://www.mangago.zone/read-manga/by_my_side/
Idk if it's updating anymore but...

http://www.mangago.zone/tag/caught%20in%20the%20act/?page=1

http://www.mangago.zone/people/tag/179149/Jerking-off+Busted%21%21%21/