Pochamaniぽちゃまに; 胖胖的你; Pocha mani; Pochama ni; 棉花糖女孩

From Omari's Sister: "Pochama" is someone who likes soft and squishy things or someone who likes chubby people (A LOT). [...] In the story, the issue of being fat in high school is not dealt with in the expected fashion -- girl is EXTREMELY shy and cruelly bullied by skinny girls. This is about Tsugumi's and Tagami's progress as a couple. All three chapters and the one-shot have been released in Japan.