E1
Kai shows up in Hiro's hour of need, and helps him recover his energy.
E2
Hiro asks Kai to go to the festival with him, but only if Hiro can find a way to get off work on time.
E3
E4
Hiro shows a vulnerable side to Kai, and Kai expresses his feelings to Hiro.
E5
Hiro's heavy workload prevents him from coming home at a reasonable time, which makes Kai feel disappointed.
E6
Kai's time living with Hiro is coming to a close; how will Hiro try to get him to stay?