From the planet Kuuru, beings have abducted humans for unsettling experiments, a prelude to an invasion of Earth. The Terrestrial Defense Force is dispatched to investigate this growing threat and encounters a enigmatic wanderer named Dan M…

Outside the dwelling of Agent Ishuguro, a member of the Ultra Garrison, a peculiar metallic rock came to rest.

A strange object has come to rest somewhere near the Kiso Mountains. Dan and Furuhashi are dispatched to locate any debris, or indications of survivors. They discover a young girl swimming in Lake Azuma, and a spaceship not far away.

Three members of the Ultra Garrison were dispatched to a clandestine meeting with Commander Takenaka aboard the *Max*, one of the Ultra Guard's most advanced vessels. The purpose of this confidential assignment was to investigate the source…

The supersonic jet departed the Ultra Guard Science Center in Antarctica with Dr. Yushima, a scientist of considerable renown, on board. Bound for the Ultra Garrison command center in Japan, the aircraft inexplicably stalled mid-flight, mom…

Having returned from investigating the unusual light, Dan was summoned to Agent Anne Yuri’s quarters. A peculiar shadow, vaguely humanoid in form, had manifested within the room.

Within the confines of Space Station V3, Agent Mizuno grappled with a series of transmissions originating from an extraterrestrial source, yet the messages remained stubbornly indecipherable. Simultaneously, deep in the woods, two hunters d…

A pall of unease has settled over Kitagawa, a town shadowed by a series of inexplicable and devastating accidents. Hundreds have perished, victims of a misfortune that defies easy explanation.

Evening shadows stretched across the city as Furuhashi and Moroboshi patrolled their beat. A woman approached, requesting to speak with Dan. Acting on instinct, Furuhashi assumed the role, and the encounter left him profoundly disturbed by …

Confined to his bed with a fractured leg, Akira observed unusual activity emanating from the house next door. He attempted to recount his observations to his mother, but she dismissed his concerns. As strange occurrences persisted, the Ultr…

The Ultra Guard investigate the deaths of more than twenty individuals at Mount Iwami. During their investigation, Dan is seemingly killed by an assassin employing a peculiar rifle.

Several young women have taken ill recently, and a common feature among them is a set of strangely designed metal watches.

From the V3 space station, Captain Kurata reports they are under attack by an enemy vessel. He manages to evade the conflict, but the resulting pursuit guides the alien Iyros toward Earth.

A British assassin is systematically eliminating foreign individuals in Japan. It has come to light that each victim was covertly associated with the scientific team of the Washington Terrestrial Defense Force.

With King Joe, the Pedan’s mechanical behemoth, withdrawn, Captain Kiriyama began preparations to mobilize the Ultra Guard for their subsequent assault.

After a three-month absence, during which Cherry Blossom 9 vanished en route to study the planet Annon, the vessel unexpectedly re-emerged and established contact with the Terrestrial Defense Force. A landing near Mt. Hades prompted the di…

A cave-in has trapped Jiro, a miner, three thousand feet beneath the earth. The Ultra Guard has been dispatched to ascertain the cause of the subterranean collapse.

During a skydiving exercise, Amagi and Soga vanish, their descent ending in a fog-choked forest that feels utterly unlike any world they know.

Dr. Miyabe is dedicated to Project Blue, an ambitious undertaking to construct a protective shield around our planet, designed to safeguard humanity from potential extraterrestrial dangers.

Reports from the Ultra Guard detail seismic activity in the region, though the events are peculiar. Separately, two female racers en route to a rally discover an odd stone just as a tremor rocks the earth near the Aosawa Mountains.

A merchant vessel has vanished from the ocean, and the Ultra Guard have been dispatched to examine this latest unexplained absence.

At Ruriko's birthday celebration, an extraterrestrial being named Braco emerged from the sea. He killed her dog and abducted the girl before disappearing. Anne, present at the party, immediately alerted her companions to the unfolding crisi…

Captain Kiriyama and Furuhashi encountered an elderly man named Yasui, visibly terrified and fleeing from a driver whose dump truck was adorned with heavy chains. It transpired that Yasui was a fortune teller, and in his trembling account, …

A patrol vessel from the Ultra Squad collided with a commercial aircraft while airborne, the cause of the incident unknown.

A catastrophic snowstorm blankets the planet, a blizzard of unprecedented ferocity. At the Ultra Garrison headquarters, a chilling stillness descends. The base is frozen, breached by a monstrous entity that burrowed beneath the surface and …

Within the confines of Ultra Guard's laboratories, Doctors Segawa and Maeno forged a terrifying new instrument of destruction: an anti-planet device they named the R-1.