In this chapter, we learn that Hiroshi's mother has passed away, and that his father is now in his 80s. Hiroshi and his mother have been friends since childhood, and Hiroshi has always loved his mother dearly. Now, however, his mother's death has made him realize how much Hiroshi loves him. He has also realized how much he loves his mother, and how much she loves him back.
In this chapter, we learn that Hiroshi's mother has passed away, and that his father is now in his 80s. Hiroshi and his mother have been friends since childhood, and Hiroshi has always loved his mother dearly. Now, however, his mother's death has made him realize how much Hiroshi loves him. He has also realized how much he loves his mother, and how much she loves him back.