You could focus on developing skills or powers that are not typically associated with healing. Maybe have a character specialize in combat or magic that isn't related to restoration.
You can try looking on popular manga reading websites like MangaDex or MangaFox. They often have a wide range of manga available, including Redo of Healer.
It depends on your perspective. Some parts of the Pokemon manga have elements that could be seen as dark, like serious conflicts or character struggles.
The Healer of Rebirth was a novel about a healer from another world. The main character was called Yun Le-Ye Qiyu, and the story took place in a different world. The novel had several chapters, including chapters 1, 2, and 24. The author of the novel was Unruffled Smile. According to the search results, the latest update was in 2013. Other than that, there was no more information about the novel.
There were a few novels similar to Super Healer that could be recommended. These included Full-time Mage: Eye of Order, Full-time Mage: Blue Silver Winding, and Naruto: My Doppelganger is a Red Hound General. Other than that, there were also novels such as My Super Talisman Master System and Companion System: Star Mystical Master, which were related to healers. The protagonists of these novels became powerful healers or mystic cultivators with the help of the system. However, the information about Super Healer itself was not found in the search results provided.