There’s a clue about the lamp combination in the University Map, Class 3-1. After that, go to the Asylum Map on the 1st floor, right side, Jack Hallway 2, and turn on the light switches according to the clue. Then, go back to check the board, and you’ll find the Karasuyama House (Secret Map).
Questlines on Karasuyama House (secret map):
Photogenic Junior - Hinata Fuyutsuki (6 PlayerAnims)
Caught Red Handed - Shizuka Sakurai (1 PlayerAnims)
