Adaptation of the manga of the same name. Our mc is chubby glassed girl who always craving for food no matter how extreme the calories are. One day on a school lunch break, she had a girl-talk with her friends until one of her mentioned about slight-weight gain. Our glutton heroine seems to be concerned about her weight after the talk with her friends, and decided to go on a diet with a purpose. Upon hearing at her remarks, mc’s boyfriend had a dissapointed look on his face, later he teased her with a dessert. However, mc wanted to show the proof that she really wanted to go on a diet. Then she changed into super tight sportwear and start to doing exercise, but she gives up faster than she expected. She changed the method then asked her boyfriend to massage her belly. But he got sexually excited after massaging his girlfriend.