An instruction manual inside a small cardboard box. Apparently, the charge only lasts for five minutes.

―――――――――――――――――――― 《Details of "SLIP"》 Past Simulation Device "SLIP" This device transfers the user's consciousness into their own body at any given point in the past. For general consumers, it is marketed as a "device that reproduces the past as a vivid dream." Users of SLIP can act freely within the destination past, known as the SLIP space-time. It is possible to take actions different from one's past self in the official history. As a result of verifying the risk of time paradoxes caused by behavioral differences, it was discovered that a phenomenon where the "altered past is forcibly re-altered back to its original form" inevitably occurs. This phenomenon is referred to as "Overwriting." "Overwriting" occurs after a certain amount of time has passed following an event that altered the past. For example, if one travels to the past via SLIP and attempts to converse with someone they did not interact with in the official history, a short conversation can usually be held without issue. However, once "Overwriting" occurs, the conversation is treated as if it "never happened." The person spoken to will have no memory of the conversation with the SLIP user, but it has been confirmed that the SLIP user retains some degree of memory regarding the altered event. The reason for this remains unclear. This theory has been previously verified as the "Overwrite Theory."

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I'm the worst. I'm the worst. I'm the worst. I'm the worst.