A version of Blue (Underswap!Sans) who is a yandere. Usually depicted with red eyes and sometimes wielding an axe, sometimes a knife. It is not canon!
1) Hey, did you see my Yanberry fanart?
2) Yeah, but remember, Yandere Blue isn't canon, don't mark it as such
2) Yeah, but remember, Yandere Blue isn't canon, don't mark it as such
by lifeliqe December 21, 2020