Oda Akira, a high school student renowned for his ability to erase his presence, finds himself summoned to another world alongside his classmates. In this realm filled with swords and magic, they are tasked with becoming heroes to defeat the demon king. However, feeling uneasy about the king and the princess who summoned them, Akira decides to employ his unique skills to covertly explore the king's library in search of the truth. The choice of whether to assist or abandon his unsuspecting classmates ultimately rests on Akira's shoulders.
