Let me explain in advance that this is a double male protagonist and a double male protagonist. You can mark it out. I am a novice writer. If there are some bad things, you can mention it.
Yandere 1 vs Grumpy 0 (1 is m)
An accident caused Xia Jinshu and Shen Moshu to travel through a horror game, and they learned that they had to clear the level before they could go back. In order to go back, Xia Jinshu and Shen Moshu had to clear the levels [Marry the Bride], [Cute Lolita], [Tea House Owner]...
Intention: dream