"March Comes in Like a Lion" is adapted from the best-selling manga of the same name by Chika Umino. The movie is divided into a prequel and a sequel. The sequel mainly tells the protagonist's outlook on the "future": he will start a new life with the one he loves. A year after meeting the three sisters from the neighbor's house, Kiriyama Rei's life has begun to change. He gradually realized the true self that has been sealed in his heart since childhood. Outside of shogi, Kiriyama Rei began to come into contact with a new and warm world. In the shogi competition, he fought with professional players with amazing talents and a strong passion for shogi. In life, he received the warmth of home given by the neighbor sisters. Such warmth shone on him like the sun, and Kiriyama Rei's ice-like heart gradually melted. Shogi competitions and warm family made him learn to love while fulfilling his life.