What Should I Do About Being So Popular?

Hana Maika is a girl who is 160 centimeters tall and weighs 160 kilograms. She attends Tokyo Ritsuen Girls' High School and is the most inconspicuous girl there. When the protagonist of her favorite boys' love manga unexpectedly gets killed off, she is devastated and loses a lot of weight, unexpectedly becoming a sweet, pretty girl. Her popularity at school skyrockets overnight.