In Tokyo, Kenshin embarks on a new chapter by enrolling at the Kamiya Kasshin-ryu dojo, where he delves into the art of 'swords that bring life.' Under the guidance of the kind-hearted Kamiya Kaoru, Kenshin and his fellow student Yahiko engage in rigorous training. However, their tranquil routine is shattered when Tae, a visitor from the Akabeko restaurant, seeks their aid in finding a lost book to save a patron from eviction. What begins as a seemingly straightforward task soon unravels into a perilous enigma, entangling Kenshin and his companions in a web of dark mysteries and sinister schemes.