The Childhood Friend is the Main Character, but what about Me?

Compared to liking her, Sheffield really does dislike Dorothy a bit more. Ever since they were little, Dorothy had always attracted all the girls around them. She would constantly declare in front of Sheffield that she was going to build her own harem. Every girl who got close to Sheffield was actually after Dorothy, leaving him to live the pitiful life of a perpetually single guy. Even the mysterious system he somehow acquired only had one function: to check the favorability of the girls around him toward Dorothy. It was only then that he finally realized…