![](https://pic1.mangapicgallery.com/r/avatar/03/u1508252_50x50.jpg?2)
http://www.mangago.zone/read-manga/kindaichi_shounen_no_jikenbo/
not literally a protagonist where he keeps killing people but every case there's someone who kills and kindaichi has to figure out who it is
![](https://pic1.mangapicgallery.com/r/avatar/f7/u437555_50x50.jpg?2)
http://www.mangago.zone/read-manga/brutal_satsujin_kansatsukan_no_kokuhaku/
http://www.mangago.zone/read-manga/from_the_red_fog/
Last two aren’t exactly like that but they’re good too imo
http://www.mangago.zone/read-manga/an_uncomfortable_truth/?kzAd
http://www.mangago.zone/read-manga/yagiza_no_yuujin/
![](https://pic1.mangapicgallery.com/r/avatar/73/u53181_50x50.jpg?2)
Check here you will see what you like Here
http://www.mangago.zone/home/mangalist/76405/
Can someone recommend me manga/Manhua/Manwa that have a psychotic character that keeps killing people? I got a little tired of romance.