My mother's hospitalisation, visit aunt

After getting divorced a few years ago, my mother, whom I raised on my own, has been hospitalized. Satoshi, her only son, was staring in the hospital room, staring at her mother's hands, completely thinner. Satoshi was worried about her future life, and more than anything, whether she would be able to pay her mother's medical expenses. Satoshi's aunt Natsuko comes to visit him. Satoshi was encouraged by Natsuko's words, "It's okay," after a long time. And in this situation, Satoshi and Natsu's distances approach...