Season 1

The Mirai finds itself in the middle of the Combined Fleet formation of the night before the Battle of Midway. First, Mirai is signaled by the Yamato, the Combined Fleet flagship, then two destroyers attempt to block it…

Kadomatsu rescues an Imperial Japanese Navy officer, Lt. Commander Kusaka, from a sinking seaplane. The Mirai’s crew is split over the fact that they may have changed history. The Mirai is discovered by an American subm…

The VTOL recon plane damages the two fighters and forces them to ditch without injuring their pilots, but its weapon systems officer is killed, the Mirai’s first casualty. Kusaka proposes that the Mirai go to Japanese-o…

Kadomatsu and Kusaka travel by the Malayan Railway to Singapore, while the Mirai hides in the Anambas Archipelago. Kadomatsu gets a view of the colonized people and has a close call with a brutal Kempeitai inspection. I…

The two from the Mirai arrange for a tanker loaded with fuel and provisions to rendezvous with the destroyer. But Lt. Tsuda, having recognized Kusaka and realizing something odd is afoot, has found out about the ship. A…

Tsuda reveals that, in addition to the crew of the tanker, he has put together a sizable task force at Singapore around the cruiser Kashii for dealing with the mystery ship that he has been ordered to investigate, shoul…

Lt. Commander Oguri and Lt. Satake visit the crew of the tanker and the sailors from the 21st and 20th centuries have an opportunity to learn about each other — and Oguri consequently arrives late and drunk to the staff…

Kusaka is flown in the Umidori to meet Yamamoto at Truk Island. The IJN staff find the idea of a ship from the future hard to believe, but the technologically advanced nature of the Umidori is indisputable. American Mar…

A landing party from the Mirai on Guadalcanal has close calls with both the Japanese on the island and with the attacking American forces. The Mirai witnesses the Battle of Savo Island, where the Allied naval force cove…

Kadomatsu and his landing party use a laser designator to guide a blank Harpoon missile to strike the American supply depot, an attack which harms no one but demonstrates their ability to do so. But the Americans do not…

The Yamato fires on the American forces on Guadalcanal, but the Mirai uses its Aegis combat system and Sea Sparrow missiles to intercept and destroy the first wave of shells in flight. However, the Mirai crew are aware …

On Kusaka’s advice, Yamamoto calls off the attack and orders the withdrawal from Guadalcanal to begin. As Lt. Tsuda worries about himself committing suicide and calling himself a "pathetic man", Lt. Momoi calms him down…

The Mirai landing party assists in the evacuation of the Japanese engineers from Guadalcanal. Kadomatsu goes into the jungle alone to look for stragglers. He encounters Lieutenant Commander Okamura (who is identified as…

The Mirai enters the Japanese naval base at Truk Island under Admiral Yamamoto’s sponsorship and the crew looks forward to a shore leave. The Army and the Navy disagree about the operation to recapture Guadalcanal and a…

Kadomatsu learns that the operations on Guadalcanal are to resume — under an imperial decree — and blames Kusaka for this development. He goes ashore with Lt. Tsuda to talk to Kusaka — and is shocked to see him in a car…

When some of the Combined Fleet staff (specifically Admiral Ugaki) balk at the idea of sending badly needed destroyers to escort the Mirai, Lt. Commander Taki proposes that a new submarine, the I-21, be sent instead, wi…

Kadomatsu goes to the I-21 to consult about an approaching scout plane the Mirai has detected. Taki takes Kadomatsu prisoner and the I-21 submerges, leaving the Mirai’s crew confused and unsure about what to do as time …

On board the I-21, Kadomatsu tries to get a warning to the Mirai via Morse code but is stopped by Taki. At first, Mirai attempts to leave the scene, rather than stand and fight, but Taki forces the issue by ordering the…

The JDS Mirai monitors radio traffic indicating that the Wasp is preparing a second strike. Since the radar and the main cannon are damaged, Gunnery Officer Kikuchi recommends launching a Tomahawk missile to destroy the…

The Tomahawk missile hits the Wasp. Its explosion and resulting secondary explosions from the carrier’s munitions and armed aircraft destroy the ship and it sinks with heavy casualties, leaving Admiral Noyes and Captain…

Following the previous episodes' events, people on all sides are having hard time coping with what has so far transpired. On a U.S. destroyer carrying the survivors of the battle against the Mirai, Commander Hutton is a…

Upon "returning" to Yokosuka, the crew of Mirai find that the navy has arranged to have them dock away from the harbor, under the guns of a naval artillery battery. Feeling suspicious, Mirai contacts the Yokosuka Naval …