Prologue

Lexus Kouretsu, just 16 years old boy. He is in the 2 grede of high shool. He is pretty shy and not really talkitive, unlike his best friend. Alden Tawamure is one of the most popular kids in school, and also Lexus's best friend. And in one day, a normal and completly usual, a weird ribbon of glowing green took them to unusal palce and now the have to find a way out