Megumi Kobayashi

Megumi Kobayashi is a supporting character in the novel, manga and anime series Welcome to the NHK. She is a former classmate of Tatsuhiro Satou, as well as his former class representative. After graduating, she got trapped in a pyramid scheme and gets Sato involved as well, and later Misaki Nakahara and Kaoru Yamazaki, though it's later revealed that she did so to support her older brother, who is an even bigger hikkikomori than Satou.