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On the front lines of the Great War, nurse Simon repairs the broken faces of the soldiers every day with love letters, words from women that have the power to heal the wounds of these paper soldiers. Simon himself seems impervious to holes, uncreasable, untearable in his white coat. His secret is his war godmother, who occupies all his thoughts whenever he has a moment to breathe. But when death strikes where it is least expected, can words written on paper still erase the pain?

Sumikkogurashi debuted in 2012 as slightly negative characters who like to stay in the corner of a room. The characters include "Shirokuma", a polar bear who is sensitive to cold, "Penguin?" (with a question mark in its name), a penguin who is unsure if it is actually a penguin, "Tonkatsu", a piece of pork cutlet that was left uneaten, "Neko", a shy cat, and "Tokage", who hides his nature as one of the last dinosaurs. The franchise has inspired toys, books, stationery material, video games—and now a feature film.