CSPQuest: Room 301

"Having stayed up late to play CSPQuest and finish new event of Azur L*ne last night, you fell asleep in class." "Your friends were nice, they did not want to ruin your sweet dream, so they did not wake you up." "Thus, you ended up being locked in your classroom." "All you have to do now is doing everything to escape your classroom - Room 301 without being caught by the school guard." This is a n…