-new Release- Mayu.hanasaki.i M.13 Years Old.cocoon.photobook.by.sumiko.kiyooka.40l Apr 2026

Owning Cocoon is less about collecting art and more about holding a reliquary. The dust jacket is a soft, raw linen that feels like a cocoon’s exterior. The pages are uncut on the first edition, forcing the reader to slice them open with a knife—a ritual act of freeing Mayu from the paper prison.

The subject is Mayu Hanasaki. She is 13. And she is, quite literally, wrapped in her own world. Owning Cocoon is less about collecting art and

Sumiko Kiyooka, known for her ethereal monochrome studies of transitional ages (see her prior series Nijiiro no Yami ), has never shied away from the uncanny valley between girlhood and womanhood. However, with Hanasaki, Kiyooka found a subject who doesn’t just sit for the camera—she converses with it. The subject is Mayu Hanasaki

The book is published as a limited run of 40 copies (denoted by the "40L" in the colophon). Each copy comes with a single, original 5x7 inch contact print—a different frame for each owner. This scarcity isn't elitist; it's intentional. Kiyooka has stated in a rare interview that "adolescence is not a streaming service. It is a quiet room that only a few ever get to enter." Sumiko Kiyooka, known for her ethereal monochrome studies