An experimental subject of illegal scientific research received an invitation letter from another world at the end of his life, and then he was greeted by a variety of strange worlds. PS: 1. This is an infinite series of otaku Streaming novel. Note in advance, non-fans do not enter. 2. The theme of this work is sunny, the protagonist is honest and kind, peace-loving, and conveys positive energy. He is a good boy in the new era. Note in advance, dark fans are not allowed to enter. 3. This article is not a brainless girl promotion. Please specify in advance, stallion lovers are not allowed to enter. Also, the protagonist will of course have a girl, so don’t worry. 4. If there is anything else that needs to be specified in advance, I will add it later.