Ryuto Books in Order

As Sylphy plans to free her people, Kousuke turns his unusual crafting powers toward defending their village. Building a massive stone wall becomes his next challenge as the elves prepare to confront the forces threatening them.

Betrayal within the Liberation Army leaves Kousuke stranded behind enemy lines. Separated from Sylphy and his allies, he must depend on three slime sisters to escape and find his way back to the people counting on him.

Transported to an unfamiliar forest, Kousuke discovers he can gather materials and craft objects through a game-like menu. Hostile inhabitants threaten his survival until a dark elf named Sylphy offers protection, provided he accepts becoming her property.

Pursued by agents of the Holy Kingdom, Kousuke and his companions seek refuge in the Solel Mountains. Their escape leads into dragon territory, where an encounter with a powerful supreme dragon presents a new danger.

Kousuke returns to his companions while Sylphy searches for sacred scriptures. Meanwhile, Ira organizes an expedition into dangerous ruins, bringing adventurers and a familiar commander together for an undertaking that promises trouble beyond their everyday concerns.

Kousuke, Eleonora, and their allies prepare to face the Holy Kingdom's elite forces. With enemy mages approaching, their preparations must bring demihumans and the slime sisters together against opponents capable of challenging their hard-won advantages.

After rescuing an elf patriarch's daughters, Hiro and his companions visit their home planet and encounter a society built around magic. While exploring its customs and attractions, Hiro discovers signs that he may possess an unexpected power of his own.

Carrying Princess Tinia and a sacred seed, Hiro's crew enters battle against the pirates who attacked the elves' world. A mysterious defensive power awakens aboard the Krishna, while an alluring mercenary with suspicious connections creates a different kind of trouble.

After defeating a massive enemy army, Kousuke faces the less straightforward task of restoring order. Romantic distractions complicate his responsibilities, and the arrival of an imperial envoy introduces another challenge to the fragile peace around him.

A shipbuilding system offers Hiro an intriguing bargain and an encounter with Kugi, a telepathic fox shrine maiden. Her offer to teach him how to use his developing powers introduces a demanding new challenge beyond piloting and fighting space pirates.

A skilled swordswoman joins Serena's investigation into a psionic metal spider and takes an interest in Kugi. As Hiro resumes his journey with Dr. Shouko, a message from a mysterious pyramid reaches him alone, demanding a closer look.

Hiro's crew must confront an alien creature vast enough to destroy a planet. A subsequent casino mission against space pirates requires disguises and careful gambling, complicated when one companion turns out to have ties to the very criminals they pursue.

Disease ravages Tina's former colony, where her childhood orphanage has been stripped of essential supplies. Hiro's crew searches for a way to help, while clues may aid Dr. Shouko's research and a meeting with the governor could determine their options.

Merinard has been reclaimed, but neighboring powers are preparing for war. Kousuke joins Ira and a special task force to strengthen the frontier as the kingdom confronts threats that could undo its restoration.

An imperial assignment takes Hiro to a hostile border region, where powerful pirates and an uncooperative count complicate his work. When he and Serena are kidnapped from a party, his still-developing psionic abilities may be their best chance of escape.

Back in the imperial capital, Hiro faces awkward questions about his relationship with Serena. Those tensions soon become secondary when an assassin finds an opportunity to attack, forcing the mercenary to fight for a safe departure from the city.

Kousuke returns to the capital hoping for a quieter life with his growing household. Instead, competing affections and romantic rivalries draw him into fresh complications as the women around him make their own intentions clear.

Back in the capital after helping distant settlements, Kousuke hopes to spend time with his family. An invitation from the Dragonis Mountain Nation raises questions about its intentions and sends him toward another ambitious construction project.

Glenn retires from mercenary work to establish a quiet farm on a distant planet. When his neighbors face harassment, his enhanced combat abilities prove difficult to leave behind, threatening the peaceful life he hoped to build.

An enormous pirate fleet ambushes Hiro's starship and leaves him little room to escape. His developing psionic powers offer a possible advantage, but using them affects the Krishna itself in ways even its experienced captain could never have anticipated.

Hiro's spacefaring adventures continue in a universe resembling the video game he once played. A powerful starship and his companions support his mercenary life among interstellar colonies, rival factions, and the pirates who threaten travelers between them.

Ordinary office worker Satou Takahiro awakens in a universe resembling his favorite space game. Taking the name Hiro, he uses an exceptionally powerful starship to build a mercenary career, rescue new companions, and pursue freedom among dangerous interstellar factions.

Hiro's success destroying a pirate stronghold attracts attention from the military, rival organizations, and a biotech company interested in his unusual DNA. He wants to keep traveling freely with his companions, but powerful admirers have other plans for him.

Rescuing a noble girl brings Hiro and his crew enemies they would rather avoid. With trouble closing in, they decide to hide at a luxurious tropical resort, hoping a holiday can provide temporary escape from the dangers following them.

After reuniting a count with his granddaughter, Hiro turns his attention to upgrading his new android maid. A lingering feud soon demands more than relaxation, sending the pair against a cybernetic soldier whose defeat may finally settle the conflict.

Hiro and his crew travel to a dwarf planet in search of a carrier ship and local food. Meeting twin mechanics with sharply contrasting personalities offers a chance to expand the crew, though welcoming them aboard promises fresh complications.

A transport job carries Hiro and his companions into a battle between imperial forces and hostile crystal creatures. His intervention attracts powerful attention, followed by Serena's request for a raid into territory filled with enormous and dangerous alien lifeforms.

Celebrated for defeating crystal lifeforms, Hiro travels with his crew to the imperial capital for an award ceremony. Unexpected family reunions, the emperor's interest, and an imperial princess who resembles Mimi create complications no space battle prepared him to handle.

Hiro accepts a mission protecting colonists and valuable terraforming supplies in a newly settled system overseen by Chris. New battle robots strengthen his crew, but growing public attention and responsibility for defending an entire planet bring unfamiliar pressures.