It is an unofficial quiz app of funny reincarnation.

"Funny Tensei" is a Japanese light novel by Nozomi Koryu.
Illustrated by Yasuyuki Juri.
Serialization began on February 17, 2015 on the novel posting site "Let's become a novelist", and it was published from TO Books on October 20, 2015.
As of January 2023, the total number of copies in the series has exceeded 1 million.

Synopsis
A pastry chef who was active as a representative of Japan died at the venue of the world tournament. With the dream of "I wanted to make the best cake in the world."

A craftsman who reincarnated as Pastry Mill Mortairn, the youngest son and eldest son of the impoverished lord of the frontier, Knight Count Mortairn, caused a commotion involving his family and those around him because of his desire to make sweets.