The male protagonist is an ordinary fat nerd, his image is similar to that of a funny fat guy that many people have in their youth, and he is also a "good person". He has received countless good person cards since he was a child. He has also been the licking dog of the girl he likes because of his low self-esteem. He always feels that as long as he perseveres in licking, one day he will impress the girl he likes and win her back. But the reality is very cruel. After a hundred years of solitude, he experienced more than ten years of miserable emotional experiences. He finally learned from the pain and made up his mind to change something. It happened to be that he learned the course of true love at this time, knew how to attract girls correctly, and darkened into another self. In just a few years, he had various love-hate entanglements with dozens of sisters...
