My greatest happiness was meeting you.Set in the Edo Period. Ichi, who works at a freak show, meets Bena who was captured as a monster. Ichi escapes with Bena to return him to his hometown.The two slowly create happy memories while huddled in a small room. However, Bena is not human. Rather, the "child of a demon".The realistic story of the two lonely people in the Edo period, written by a new author with an overwhelming art style.+