Overpowered High Schooler Forced into Battle Royale 🎮: From Lonely Gamer to SS+ Rank Warrior

a high schooler who loves games and Konpeito has suddenly been dragged into a battlefield by a mysterious girl who calls herself Mion. The participants are told that they are "erased from the family register, involved in an experiment, and gained certain powers.<br /><br />Anime: In Comments Section