Found My Brother's Puppy! What to Do If Someone Is Too Clingy?

[Two male protagonists + sweet pet + little abuse + redemption + double cleanliness + growth story] [The sinister big brother next door x the clingy stupid puppy who has been missing for nine years] [Love clingy sportsman gives birth to younger brother x unstable and self-destructive older brother] In the summer of 2018, Yu Jinku, who had just grown up, became a bartender and model at the same time because he was taking psychotropic drugs from the age of 9 to 12, which put a lot of financial pressure on Xu's father who adopted him. He who plans to pay off his debts no matter what he does next will not be restrained. It was just that the next day in class, a young man who was both familiar and unfamiliar to him came to him, but he did not remember this person. The two of them became roommates, and after Yu Jinku, who was faster than his brain, said "stupid puppy" inexplicably, this guy stabilized his mental state and continued to explode. Looking at the pitiful stupid puppy lying in front of him, Yu Jin couldn't help but lean on his other hands and looked down and said: "Call brother!" The poor stupid puppy whimpered when he was bullied. He was obviously the one who took the initiative. Why was he being bullied? He softly called out: "Brother~" Because of a beautiful misunderstanding, after a year of training, Yu Jin suffered and re-entered the college entrance examination. When he was admitted to the God City Graduate School, his elder brother became a junior, and the stupid puppy kept teasing him as a senior. It's fun to play, and it's noisy. My brother is angry, and the stupid puppy takes the initiative to kneel down on the keyboard and admit his mistake.