Tentoumushi no Otomurai

てんとう虫のおとむらい

The story of the animation begins from a girl, named Eiko, mistakenly killing two ladybirds. From this incident, the girl's guilt swells up to create an illusion of seeing a button of her blouse as ladybirds, and fears for a feeling towards an existence of numerous selves in some other places. Being submerged in such continuous wave of guilt and fear, she keeps sewing hundreds of buttons to inside...