How can you confirm that the netizen on the other side of the software is actually in the same world as you? Or is this important?
A rookie police detective who was bored on a dating app accidentally matched up with a young hacker from another world, and started helping each other from then on.
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The two first protagonists belong to two different worlds, and they are not considering meeting each other through time travel. They have their own emotional lines [the copywriting is useless, so let's just state it clearly. The main line is that the two protagonists help each other solve their own difficulties.