Library

The first thing Shi Shi does when he wakes up every morning is ring the doorbell of a neighbor's house, and then he smiles brightly at the neighbor and says, "Hi, Oppa, good morning!" A neighbor: "..." Then Shi Shi went back and brought a breakfast, and said calmly: "Oppa, I bought too many ingredients, so I made one for you by the way. Don't dislike it, don't dislike it!" A neighbor: "..." Before going to bed every night, Shi Shi would shout "Good night, Oppa" at the door of a neighbor's house before going back to sleep. A certain neighbor tolerated it again and again... [Any similarity is purely coincidental]