The Talented Grandmother of Saga Vol: 5

Akihiro helped her with the work. It was her job to help her deliver things to a nearby temple. Akihiro also dared to protect an upperclassman with his best friend when everyone misunderstood and alienated him. Akihiro lives with her grandmother but always wants her mother to visit her. Instead of a mother, it's a brother. What does Akihiro's brother think about where he lives with his grandmother?