Skin and Bone

From Amazon.com: A volume of four terrifyingly witty novellas. Skin and Bone: Poor Taichi is bullied incessantly at school because of her weight problem, but she undertakes a diet from hell, which leaves her nothing more than skin and bone. The Red Satchel: Haruna's deathly appearance shocks her friends when she returns to school. She disappears again, leaving only her red school satchel and its gruesome contents. Two Sisters: Young, beautiful Ms. Numata is a popluar teacher, but her outer appearance hides a ghastly truth she has kept secret since birth. Caterpillar: No one can understand Mayuko's obsession with caterpillars, but everyone at school hates her for it. She is bullied relentlessly, but knows that her destiny lies in a different place.