Magical comprehensive travel

An ordinary student, due to an accident, got a system that can freely shuttle animation and reality. Since then, his life has become interesting. “Game King”, “Apocalypse”, “Sword Art Online”, “Absolute Duo”, “Angel’s Heartbeat”, “Zero Warrior”, “Date A Live”, “High School”, “Death of God “Sher”, “Blood Devouring Rage”… … … …