I'm sorry...

Before I-401 could commence the attack on Ulithi Atoll, orders to cease hostilities were received. Despite suggestions, such as continuing the operation or scuttling the vessel, the captain decided to return to Japan. At that time, in the interest of protecting classified information, the ship-borne planes (Seiran) were abandoned to the sea.

Next time...

We'll be together until the end...

Because...

We're friends...