There are quite a lot of Attack on Titan dj's focused on reincarnation (=・ω・=)
http://www.mangago.me/read-manga/silver_diamond/ A long read, but very much worth it. Solid story and characters. One of my favorites. (⌒▽⌒)
http://www.mangago.me/read-manga/jaryuu_tensei/
http://www.mangago.me/read-manga/world_customize_creator/
http://www.mangago.me/read-manga/konjiki_no_word_master_yuusha_yonin_ni_makikomareta_unique_cheat/
http://www.mangago.me/read-manga/remonster/
http://www.mangago.me/read-manga/the_new_gate/
http://www.mangago.me/read-manga/kenja_no_mago/
http://www.mangago.me/read-manga/chihou_kishi_hans_no_junan/
http://www.mangago.me/read-manga/dungeon_seeker/
then of course re:zero.
Looking for mangas with reincarnation or the mc going to another world. Any genre.