Theres a tale about a fallen angel that grants your wishes. In order to summon it, you have to write your desired wish on a piece of paper and burn it in a purple fire.

You decided to try it out, and wrote your wish on the paper and burn it in a purple fire. Suddenly the smell of ashes turned into a floral scent and an angel appeared. His name was and he looked at you in pure bliss

"wow!! its been so long since ive been summoned!! So~ what wish would you like me to grant~?*