I remember a really dope anime that left a spot in my heart, can't remember the name but it was pretty sad/psychological from what I remember there was a park where someone got truck kun'd and someone repeats the day or something and someone else does everytime he tries to change it? Like 10-12 e...

I've been searching for this manga for awhile, but can't remember the name. All I remember is in the first chapter the MC dies and is reincarnated as a warrior then works his way up to being called a blade master or sword saint. When he dies, he's again reincarnated an this time tries his hand at...