Written by anxioussquirrel on FanFiction.net

AU, present time. Kurt Hummel is 28 and has been living in New York for ten years now. He has a good job, nice apartment and two best friends: Sebastian and Cooper. Blaine, Cooper’s 17-year-old brother, comes to spend the summer… Age-gap fic, based on a kink-meme prompt; there’s no innocence kink here.

Link: https://www.fanfiction.net/s/8592749/1/It-s-Not-Babysitting