Kaifuku Jutsushi no Yarinaoshi

In a dark world of monsters, adventurers and mages, some of the most gifted healers are subjugated to brute force even by the hands of their compatriots. But one mage, Keyaru, gains the ability to rewind time, turn the tables and right all wrongs.

(Source: Sentai Filmworks)

Note: This anime was aired at three broadcast censorship levels: a TV version, a streaming-exclusive "Redo" version, and an uncensored "Complete Healing" version, also translated as "Complete Recovery", shown on AT-X.