Umizaru Evolution (2005)

Description:

The Coast Guard officers training to become rescue divers from the movie Umizaru are finished and ready for their assignments. The drama follows Senzaki Daisuke to his first assignment, an old rescue ship with a captain ready for retirement and a head diver that refuses to train/help him. His girlfriend doesn't seem to be happy to see him either, as their relationship existed primarily through the phone.