I Am a Substitute Messenger in Another World

Class 3 of Senior Grade 3 was having evening self-study when a black hole suddenly appeared in the wall of the class and swallowed everyone up. When they woke up, they had arrived in another world. There is no magic here, but there is a unique substitute. The person who awakens the substitute is called a substitute, and the substitutes are attracted to each other. Whether the protagonist can return to Earth depends on how the protagonist and everyone blooms their own light in another world. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.