Isekai!

http://www.mangago.me/read-manga/isekai_de_kuro_no_iyashi_te_tte_yobarete_imasu/
http://www.mangago.me/read-manga/seijo_no_maryoku_wa_bannou_desu/
http://www.mangago.me/read-manga/death_is_the_only_ending_for_the_villainess/
http://www.mangago.me/read-manga/the_reason_why_raeliana_ended_up_at_the_duke_s_mansion/
http://www.mangago.me/read-manga/i_ve_become_the_villainous_emperor_of_a_novel/

These two are also very good
http://www.mangago.me/read-manga/the_twin_siblings_new_life/
http://www.mangago.me/read-manga/i_became_the_villain_s_mother/

Thank you!