The Yakuza's Guide to Babysitting

Kirishima gradually gets used to his job as Yaeka's caretaker. They go to a fireworks festival together and that ends up bringing them closer together. Later, they plan to go see Yaeka's mother, Miyuki, who is in a coma in the hospital, but then Yaeka gets upset and says that she doesn't know her mother because she's always asleep and says she doesn't want to go. But then, Kirishima says...