If you're looking for manga similar to Aku no Taizai: Gobanme no Piero (Light Novel), you might like these titles.
What do you do when you have lost everything? Lloyd Lowell has found his answer. In Leon City, people are drawn to the torture of tower, Torcia Tower. There, it is rumored, lies treasures which can bring you fortune, fame and, most importantly—eternal life. However, nothing goes as planned when Lloyd enters the tower...
Lucca, a girl, and Gakupo, a prince, fall in love. Michelle, a nun, sees the couple together and grows jealous, as she has harbored her love for the prince for a long time. The Nun thinks that the girl must have used black magic to have the Prince fall in love with her and therefore declares her a witch.
The major power of the Evillious region, the Kingdom of Lucifenia. Ruling this vast country was the 14-year-old princess, Riliane. She used her absolute power to squeeze everything from the people, and anyone who defied her was beheaded without mercy.