Akenai Yoru no Sugoshi Kata

A man wakes up in a dark room with no memory of how he got there. He discovers he is not alone—another person is also trapped with him. There are no visible doors or windows, and the only light comes from a single bulb hanging from the ceiling. The two must figure out how to escape while dealing with the growing tension between them. As time passes, strange occurrences begin to happen, making it clear they are not just stuck in a normal room. The man tries to remain calm and find a way out, but the situation becomes increasingly dire. The other person's intentions remain unclear, adding to the uncertainty. The story focuses on their struggle to survive and uncover the truth about their mysterious confinement.