Step inside an extraordinary literary experience with Nininsyo, an epistolary novel packaged as a genuine set of letters instead of a bound book. Authored by n-buna, the composer behind the Japanese music group Yorushika, this work invites you to actively participate in the narrative: rather than turning pages, you open each envelope one by one, feeling the texture of the paper as you follow the passage of time between two writers.
The story begins with a letter from a young poet asking a literature teacher to critique his work. As their strange correspondence continues, a subtle sense of unease emerges, eventually leading toward an unex
Second Person is an experiential epistolary novel by n-buna of Yorushika, published by Kodansha. Released February 26, 2026.
The story unfolds through correspondence between a boy who writes poetry and a teacher of literature. Readers open and remove each letter themselves, following the passage of time through the texture and sequence of the papers as the exchange leads toward an unexpected truth.
Contents include 32 small envelopes, approximately 170 sheets of manuscript paper and letter paper, one large envelope, and one 315 × 315 mm outer box.




