Kentaro Yamada

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Kentaro Yamada
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Gender: Male
Japanese Name: 山田 健太郎(やまだ けんたろう)
Chinese Name: 山田健太郎
Korean name: 야마다 켄타로
Romanized Name: Yamada Kentarō
like count: 1
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🎙️ Anime Voice Actor

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Iwata Anji
Iwata Anji
Japanese(Anime、Voice Actor)

🎬 Appearing Anime

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You and I Are Polar Opposites
You and I Are Polar Opposites
Release date: Jan. 11, 2026

Character Setting

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Kentaro Yamada is a male character from You and I Are Polar Opposites, a bright and straightforward boy whose openness, easy charm, and attraction to unexpected smiles gradually draw him into a romance with Natsumi Nishi.

Kentaro Yamada is a student who goes from Class 2-7 to Class 3-7.

He is known for his cheerful personality and complete lack of pretense.

He does not fully realize it himself, but he tends to be captivated by the kind of smile that appears unexpectedly.

That tendency becomes one of the main reasons he falls for Natsumi Nishi.

His desired career path is in automobiles.

He is also a longtime male friend of Miyu Suzuki and Aoi Sato from their middle school days.

Profile

Full name: Kentaro Yamada

Birthday: April 20

Blood type: O

Height: 173 cm

Middle school club: Track and field, long-distance running

Voice actor: Anji Iwata

Appearance

Kentaro dyes his hair blond.

He stands 173 cm tall.

Personality

Kentaro is simple, honest, and very direct.

According to Rikako Honda, he is the kind of person with no hidden side.

He has a habit of saying whatever comes to mind without thinking it through very much.

Because of that, in the first chapter he accidentally pushes Miyu Suzuki into a situation she cannot easily escape, although it ultimately works out for the better.

Even so, he is not disliked for this trait.

In fact, he is popular, which suggests that his core nature is genuinely kind.

He seems like someone who spent all his bonus points on communication skills.

He may even treat making more friends as one of his reasons for living.

His grades at school are not especially good.

Still, his relationship with Natsumi Nishi may well become a reason for him to change and grow.

He is foolish in some ways, but not small-minded.

Kentaro is a boy with remarkable generosity and emotional openness.

Relationship with Natsumi Nishi

Kentaro’s taste in girls is a little unusual.

He tends to be charmed when someone very different from himself laughs or smiles because of something he did.

For that reason, he becomes attracted to Natsumi Nishi, who is quiet and has much lower communication skills than he does.

Their relationship eventually turns romantic after Nishi is the one who confesses to him.

Kentaro himself wanted to confess and ask her to be his girlfriend as soon as possible.

However, he could not find the right timing.

Although he had girlfriends in the past, every one of those relationships began with the other person confessing first.

Because of that, he had no experience starting a romance on his own and did not really know how to do it.

By the time of the school trip, Nishi had already completely fallen for him.

If he had confessed then, she would definitely have said yes.

Friends

Kentaro may genuinely see expanding his circle of friends as a life goal.

When Yusuke Tani started dating Miyu Suzuki, Kentaro immediately decided that if Suzuki could get close to him, then he should be able to as well, and quickly went to make friends with him.

He seems like the type who will approach almost anyone and try to become friends.

The only real exception would be someone truly malicious.

Gabacho and Family

A person named Gabacho is mentioned by Kentaro, but even by the final chapter this figure remains mysterious.

In chapter 64, Nishi also meets this person.

Because Nishi usually speaks politely, it is hard to judge much from her speech alone.

Still, she refers to this figure as "Mr. or Ms. Gabacho," which leaves open the possibility that Gabacho is a woman.

Kentaro comes from a family of five.

His family consists of his father, mother, older sister, second older sister, and Kentaro as the youngest child.

His father works away from home on a solo job assignment.

His eldest sister is already employed and living on her own.

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(Last edited time: April 9, 2026, 8:41 p.m.)

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