There are no sirens or ship girls from the deep sea here, only ferocious monsters and the supreme Demon King.
After Xia Mu transmigrated to this world, he activated a System that summoned characters from a game he had quit playing a long time ago.
"Commander, where have you been all this time? I've missed you so much~"
"Uh... that's a long story... Akagi, could you put me down first?"
"I can't do that. The Commander has been gone for so long. How could I not punish you?"
"Uh... there's no need for that... No, no! Don't do that!! Stop!!!"
As she spoke, Akagi pulled off Xia Mu's pants...
"Yamete~"
And so began Xia Mu's happy life in another world...