March Comes in Like a Lion manga volume 3 features story and art by Chica Umino.

Rei is ill after a few stressful tournaments but rushing to his aide are the Kawamoto sisters. They hold an intervention and spirit him away to their place after they find that he was sick and had forgotten to charge his phone. Even when times are down for the young shogi phenom, there are still old friends that are out there to watch over him however the pieces fall.