https://www.webnovel.com/book/endless-chase-under-a-shadow-of-moonlight_25895567606541305
Synopsis:
Takeuchi was suddenly enveloped in darkness, leaving him confused and disoriented about what was happening. It wasn't until he felt the presence of his classmate that he realized they were being transported to an unknown room. As he tried to make sense of their situation, he stumbled upon something that surpassed his wildest imagination.
What kind of adventure waiting for him? And what sort of dangerous situation lurks around him?