Like reincarnation/restart/rebirth sort of genre?
Yes
Those are basically all I read...
I have a whole list of reincarnation...
http://www.mangago.me/read-manga/a_returner_s_magic_should_be_special/
http://www.mangago.me/read-manga/nidome_no_yuusha/
http://www.mangago.me/read-manga/reminiscence_adonis/
http://www.mangago.me/read-manga/lady_to_queen/
http://www.mangago.me/read-manga/skeleton_soldier_skeleton_soldier_couldn_t_protect_the_dungeon/
Maybe this kind of stuff?
I looking for a mangas that people go back in time to change there live to become stronger