There are many super-healing cartoons, and different people may like different styles and themes. I have selected the following books for you:

Natsume's Book of Friends, which tells the story of a boy who can see monsters and his cat and demon partners solving various monster problems together. It is warm and touching, and the painting style is beautiful.

dragon and tiger (Toradora! ) tells the love story between a demon-eyed boy and a mini girl with a wooden knife, which is funny, relaxed and charming.

"Miss Kobayashi's Dragon Maid" tells the daily life between an ordinary office worker and a dragon who becomes a maid's costume. It is humorous, lovely and full of cute points.

Demon Slayer: Kimetsu no Yaiba tells an adventure story of a teenager who joined a ghost killing team to save his ghost sister and his companions against evil spirits. The picture is exquisite and the plot is tense.

Yashahime: Princess Half-Demon tells the story of the descendants of the protagonists in Inuyasha who shuttled through the modern and Warring States periods, inherited the classics and recalled their childhood.

These cartoons are super-healing cartoons that I think are good. You can choose one according to your preference.