Kaido Wataru is the older brother of Kaido Minami, known for his approachable nature and leadership of the influential Kaido Group’s ten companies specializing in maritime and resort ventures.
Wataru is a stylish and handsome young man with a laid-back presence.
He often wears casual clothing, such as aloha shirts paired with jackets and no tie, giving him a relaxed yet fashionable look.
Wataru is warm, charismatic, and approachable, easily earning the trust and affection of both customers and employees.
Despite his privileged upbringing, he remains humble, avoiding arrogance or unnecessary complexes about his family background.
He dislikes stiff formalities, favoring slightly flamboyant expressions and gestures.
Although he can seem easygoing and maybe even a little too carefree, he deeply values harmony and teamwork, believing that “a company is made by its people.”
Wataru possesses a strong sense of humility, always recognizing the support he receives from others, which grounds his leadership and maturity.
Kaido Wataru is the heir to the renowned Kaido family and currently serves as president of ten companies within the Kaido Group, famed for their maritime influence.
He attended Noble Academy, where he left a panel in the secret Rose Garden’s windmill cottage upon graduation, inscribed with his dream to become a worthy successor of the Kaido family.
His drive stems from a childhood aspiration to be “as strong as an orca,” a motif symbolizing his admiration for strength and resilience.
He is often described as the ideal older brother and role model by his younger sister, Minami.
His commitment and vision have won him wide respect among peers, subordinates, and the upper echelons of business society.
Wataru is an accomplished business leader, successfully managing various companies at a young age.
His management philosophy prioritizes people, fostering workplaces built on trust and positive relationships.
While not depicted with superhuman abilities, his keen intuition and social intelligence make him both an effective leader and mentor.
He is resilient, able to withstand difficult times by leaning on his inner circle and sense of responsibility.
Wataru has a deep, supportive bond with his younger sister, Kaido Minami (Cure Mermaid).
As children, Minami idolized him, striving to emulate his strength and character; now, she works towards being a person worthy of her family’s legacy without depending too much on him.
While Wataru gives Minami space to grow independently, he sometimes feels a tinge of loneliness as she becomes more self-sufficient.
He is sensitive to even subtle changes in Minami, especially after she meets friends like Kitakaze Asuka.
He appreciates seeing others, like Haruno Haruka, Kirara Amanogawa, and Yui Nanase, support Minami at Noble Academy, understanding she has places to lean on beyond the family.
Wataru first appears in episode 16 of Go! Princess Pretty Cure, but is mentioned earlier in the series by Minami.
His voice actor is Kazuyuki Okitsu.
In the same episode, Rock transforms Wataru’s dreams into a Zetsuborg, from which he is saved thanks to the awakening of Cure Mermaid’s new power.
If circumstances had been different and Shut, instead of Rock, had confronted Wataru, some amusing meta-casting ironies would have occurred, as both characters share the same voice actor in other series.
He shares patterns with other "blue" older brothers in the Pretty Cure franchise, often serving as inspiration to their younger sisters who are Pretty Cure heroines.
There are fan jokes about his name and appearance referencing characters from other franchises, such as "Nii-san" memes and similarities to other famous "Kaido" characters in anime.
"I want to be as strong as an orca."
"A company is nothing without its people."
Childhood and Family Dream
Wataru grew up in the prestigious Kaido family, destined for leadership from a young age.
He openly declared his dream to become a great heir of the Kaido family, writing it visibly at Noble Academy's secret windmill during his graduation.
President and Mentor
As an adult, Wataru leads ten companies in the Kaido Group, embodying a balance of humility and ambition.
He remains approachable to everyone while proudly carrying the burdens and hopes of the Kaido legacy.
He maintains an easy friendship with his employees, never letting his status become a wall between him and others.
Minami’s Role Model
Wataru’s influence shapes Minami’s aspirations, serving not just as a brother but as a guiding star.
He notices subtle changes in her outlook, especially after her encounters and growing independence at the academy.
He supports Minami’s journey to self-reliance, feeling both pride and a bit of bittersweet nostalgia as she finds her own path beyond his shadow.
Transformation and Rescue
In episode 16, Wataru is targeted by Rock, who darkens his grand dream and transforms him into the core of a Zetsuborg.
Through the courage and awakening of Cure Mermaid’s new power, Wataru is rescued from despair and regains hope—and his ambition to unite the world through the sea is restored.
Acceptance and Growth
Later, Wataru sees that Minami is supported by her peers, understanding that she now has safe havens outside the family.
This realization brings him genuine happiness, knowing she can grow and thrive both with and without him.
Wataru remains a beloved figure among the characters.
His presence, even when he isn't directly involved in the action, is a foundational influence on those around him, particularly Minami.
Fans often celebrate his charming mix of cool-headed leadership and big-brother warmth.
He is a unique example of how the Pretty Cure series develops side characters into memorable, multi-layered individuals.
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