There are things that should be left unknown. Every sealed has reason.
Kokoro and his blind sister Yume, move to a small island named Hohzuki Island. They will be continuing their study there with 4 other student. It’s a gloomy place, indeed. They are sent there for being abandoned by their parents.
The mystery tickles him as soon as he hears that someone who used the room before them is passed away. The teachers are hiding things from them. There’s also locked drawer.
Hmm…he’s getting into deep to trouble.
You can this from gievmoar scanlation