Otometeki Koi Kakumei Love Revo!!

Based on a dating simulation game of the same name; Sakuragawa Hitomi is your ordinary heroine...she might just be a bit overweight...100 KG to be exact. Although she was quite beautiful as a child and won many beauty contest, her love for sweets became her downfall and before she knew it, she was a giant blob of flesh. Now she's sent by her father to live with her older brother at a hi-tech apartment that's also home to some rather gorgeous boys...would she be able to loose weight and attract their attentions!?(Taken from Michex RAW)