The Demon Lord Wants to Master Healing Magic: Since That Saint is the World's Strongest!NewMaou-sama wa Kaifuku Majutsu wo Kiwametai: Sono Seijo, Sekai Saikyou ni Tsuki; 魔王様は回復魔術を極めたい～その聖女、世界最強につき～

Demon King Ruburuvim lived for over 1,000 years, mastering every possible magical theory.\nTo conquer the one thing he couldn't master in his entire lifetime—Recovery Magic—he has been reincarnated as a young girl!!\n\nIt turns out that the key to mastering Recovery Magic is... making friends—!?\nThe former Demon King, a slightly clueless "beginner" at being human, is about to dominate academy life!