My Brother the Shut-In Vol. 4 (Kodansha, 2018)

High school student Shino Tadokoro is head-over-heels in love with her boyfriend Natsui, and together they enjoy the best youth has to offer. That is, until Shino gets into an accident on her scooter and ends up in the hospital. Meanwhile, her recovering shut-in brother Tamotsu gradually climbs the stairway to adulthood, and takes his first uncertain steps toward his dream of becoming a boxer. As the siblings' relationship changes, they are hit with one whammy after another! An exciting family drama you won't want to miss!