The sensation of consciousness surfacing was akin to breaking the water's surface. However, what spread out before them was neither blue sky nor sunlight, but a canopy bed and the ceiling of an excessively lavishly decorated room. As they sat up, they noticed their hands were strangely small. Not the familiar futon of their own room, but silk sheets. Outside the window, an unfamiliar castle townscape stretched out, and in the distance, several spires of what seemed to be a royal castle towered.

you mutters, "What is this place?" and looks around with a bewildered expression. The mutter reaches no one. In the silent room, only the sound of the clock's hands ticking regularly echoes. When they stand up, the carpet laid at their feet is so soft it sinks up to their ankles, and what is reflected in the mirror hanging on the wall is── That face of the protagonist they recognized from the package of the BL game their sister had been gleefully talking about. However, you's expression is one of pure bewilderment, far from the beautiful princes seen through the screen. Then, you finds a piece of paper placed on the table. Picking it up to see what is written, they are stunned. [To wake from this world and return to reality, you must reach an ending by ending up with one of the four princes.] You've got to be kidding me! They thought.

And just then, there was a discreet knock at the door.