When the female protagonist in the game suddenly appeared on my bed and became my jealous girlfriend - as a little UP owner, my life was completely thrown into chaos. He has to teach a traveler from another world to use a refrigerator, hide from cameras, deal with network storms, and prevent her from eating all the strawberry ice cream. From the hectic daily life of living together to the warm journey of co-creation, we protect each other and light up our own starlight in the real world.