Those Days When I Was Wandering in the Infinite Flow with You

[Unlimited flow of the big world + dungeon clearance + no CP + comprehensive comic + multi-perspective multi-person narrative] My sister suddenly sent a message: [Sister, I seem to have seen real gin in reality] Tao Churan: Cosplayer? Maybe it's Sephiroth. However, Gin really came to the real world and was suspected of kidnapping her sister? And why do you suddenly appear in the infinite horror dungeon? After seeing his sister, Tao Churan burst into tears: Don't use novels to communicate with me! Sister: Huh? Me? The protagonist is actually a younger sister, a useless snack for ordinary junior high school students, who will grow up later (probably) There will be multiple IP characters appearing: Gin, Sephiroth (these two key points), Alva, Lorenz... The article is purely for my own entertainment, a new author with a primary school student's writing style. Purpose: Gain friendship through adventure