I traveled through hundreds of worlds at once

When Yi Hui returned to his apartment in Ikebukuro and was tinkering with items from other worlds, in the ruins of an unmanned factory somewhere in Tokyo.

Tokisaki Kurumi, wearing the uniform of Raizen High School, was holding a smartphone she got from nowhere, sitting on a fabric sofa, looking through Yi Hui's past experiences and any relevant news.

Tokisaki Kurumi had been sitting here browsing her phone for several hours, and had almost read all the news she could find about Yi Hui.

[High school grades ranked in the top three in the grade, with a deviation value of up to 80%. She had never read light novels in junior high and high school, until