Global Battle Royale: the System Is an Old Pervert

I got into a...** When I came back from illness. I accidentally joined this game caused by.... Unexpectedly, I became the king of luck for the first time and asked me to do... When I got home, I met the lost system in the room. I never thought that the system was actually an old pervert who had taken a liking to me and was greedy for my body! God, the world has changed. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.