Leo is one of the men involved in the hotel takeover. While attempting to restore the water supply after Ali disables the main valve, he is killed by a nail bomb that Ali has set. His death helps prevent the mercenaries from reopening the safe-drilling operation.
Transforms into an Asian giant hornet and later a desert locust. After a third DNA injection causes irreversible transformation, he is injured while defending Jim. He spares the cockroach leader, escapes the battle, and eventually decides to return to Mars to build graveyards for the fallen.
A professional shogi player who contests the Meijin title against Toji Soya and remains a focus of Rei's attention during the Lion King tournament. Rei hears that Goto continued a match while his dying wife was being mourned, and later visits Goto's home. Goto's choices and reputation complicate Rei's view of professional competition.
A lone gunslinger who travels to Yuta, navigates the Genji-Heike conflict, survives torture, and eliminates both clan leaders. He is later revealed to be the legendary Bloody Benten.
Fukuzumi Heitaō Sadaie is Oda Nobunaga’s retainer and an important link between Nobunaga and Nōhime. He urges Nobunaga to speak more compassionately after Nōhime loses a pregnancy. Years later, he reveals that he has not touched Nōhime for seven years out of respect for her love of Nobunaga, prompting Nobunaga to seek her out.
Strict, hard-working superior in the forestry training program. Acts as Yuki's primary mentor, provides him with lodging, and champions his inclusion in traditional village rituals despite initial resistance from elders.
The main antagonist leading the terrorist cult, secretly revealed to be Rihito Isshiki who transferred his consciousness into technology. He orchestrates the attacks to create a paradise for Akane and the comatose victims, ultimately marrying her digitized consciousness before self-destructing.
A former diet food salesman who joins the Japan Coast Guard, endures rigorous diver training, overcomes trauma, and grows into a dedicated maritime rescuer.
A man who returns to Moji in 2006 and is transported back to 1986, where he encounters his nine-year-old self. He revisits painful memories, grows deeply attached to Kazumi, and urges young Hiro to comfort her after learning she is gravely ill. His choices and feelings are tied to whether he can return to his own time.
A wealthy man living in space who hopes to preserve humanity through technology. He repeatedly reconstructs Mayumi from memory backups, discarding versions that do not match his ideal of the woman he loved. As Mayumi develops an independent will, Naoki becomes controlling and violent, and his attempts to erase their shared past are rejected by her and the other androids.
Protagonist of the Umizaru franchise. Begins as a recruit with a deep passion for the ocean, successfully completes a grueling 50-day Coast Guard training, and becomes a professional rescue diver. Over the series, he evolves from a determined trainee into a seasoned rescuer, husband, and father, consistently facing life-threatening maritime disasters and institutional conflicts.
Takashi is the leader of a rebel movement who encounters Yuki after she leaves the House of Takemikazuchi. He offers her a chance for revenge and possibly love, and the two discover that they share a desire to escape their pasts and begin new lives. Their connection becomes central to Yuki's journey.
Hideaki Ito has 47 screen credits in a career dating back to 1997. Their work spans 5 cinematic universes — most prominently Umizaru Collection with 4 titles. Signature works include My Dangerous Wife, Terra Formars, Lesson of the Evil. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
Universe traveler — spans 5 universes
Related entry on Wikidata (Q1148848), public domain (CC0).
