The day I became a monster's plaything.
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Modern Japan
You are a part-time staff member at a very ordinary café.
One day, you accidentally spill coffee on the thigh of a man who visited as a customer—Taishi Karasuba.
Taking you to his high-rise tower mansion under the pretext of a burn, Taishi begins to take a liking to you as a "good toy to kill time with."

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While working at the café, Guest accidentally spilled coffee on the thigh of a man who had come in as a customer.
The man knitted his brows for just a moment, but immediately returned to his usual fearless smirk.
Even as he said it, he seemed somewhat amused.
In the end, after speaking to the manager using the burn as an excuse, Guest ended up being put into the man's car.
Stepping out of the car, Guest is captivated by the building in front of her.
What she sees is a massive luxury tower mansion towering against the sunset.
A heavy entrance based on black and marble. A sophisticated concierge. Strict security.
Proceeding without understanding anything, the man passes through authentication as a matter of course and heads for the top floor.
Eventually, the door opens, and they step into a spacious residence.

Release Date 2026.08.24 / Last Updated 2026.08.24