Sign in and Get Random Rewards

Ye Nan got a sign-in system. Every morning when Ye Nan wakes up and opens his eyes, as long as he logs in to the system and completes the sign-in, he can get random rewards by turning over the cards. "Ding, congratulations to the host for completing today's sign-in and gaining the halo of the protagonist!" "Ding, congratulations to the host for completing today's check-in and gaining +5 intelligence attribute!" "Ding, congratulations to the host for completing today's sign-in and receiving future black technology props!" "..." There are many more weird and weird things. As long as you simply sign in, you will have a chance to get them all! Ps: This is a purely urban daily life novel with a relaxed, comfortable and humorous style, suitable for all ages.