Morisuke Yaku

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Morisuke Yaku
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Age: 17
Birthday: August 8
Zodiac: Leo
Gender: Male
Height: 165.2cm
Weight: 60.2kg
Japanese Name: 夜久 衛輔(やく もりすけ)
Chinese Name: 夜久衛輔
Korean name: 야쿠 모리스케
like count: 1
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🎙️ Anime Voice Actor

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Shinnosuke Tachibana
Shinnosuke Tachibana
Japanese(Anime、Voice Actor)

🎬 Appearing Anime

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Haikyu!!
Haikyu!!
Release date: April 6, 2014

Character Setting

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Morisuke Yaku is the top-class libero and defensive leader from Nekoma High’s volleyball team. Known for his strong command over defense, he stands out for both his skill and his concern for his juniors. Even though he is not tall, he is respected by other players, including Yuu Nishinoya. After high school, Morisuke Yaku becomes a professional player in Russia and joins the Japanese national team for the Tokyo Olympics.

Morisuke Yaku has beige hair and short eyebrows.

He is 165.2 cm tall and weighs 60.2 kg.

He wears jersey number 3 for Nekoma High.

He often gets upset if someone comments about his height.

People in his team know not to talk about his height around him.

Morisuke Yaku is responsible and caring, especially for his younger teammates.

He takes care of troublemakers in the team and helps others when they have problems.

He is known for worrying about his juniors and always supports them.

He is not good with scary or horror things.

Morisuke Yaku is very serious about volleyball and is proud to defend Nekoma's team.

Name: Morisuke Yaku

Class: Nekoma High School, 3rd Year, Class 5

Position: Libero (Li)

Birthday: August 8 (also known as World Cat Day)

Favorite food: Stir-fried vegetables

Recent worry: His juniors cause him a lot of concern

After graduating high school, Morisuke Yaku plays for Cheegle Ekaterinburg, a pro club in Russia's Super League.

He is chosen as a member of Japan’s national team for the Tokyo Olympic Games.

Jump reach: 301 cm

Power: 1

Spring: 3

Stamina: 4

Brains: 4

Technique: 4

Speed: 4

He is known for his amazing defense, especially his precise receptions.

He is the defensive ace of Nekoma, a school famous for its defense.

His skills make even strong rivals try to avoid attacking where he is.

He is close with Koushi Sugawara, as both have similar roles in their teams and support their teammates.

He becomes good friends with Yuu Nishinoya, even calling each other by their first names.

Morisuke Yaku and Nishinoya respect each other, always learning from one another.

He is often seen helping with and chatting alongside Koushi Sugawara.

He gives strict but helpful instructions to younger teammates like Lev Haiba.

His positive and strict attitude makes him a leader among his friends.

  • "It’s a huge honor to be Nekoma’s libero, the one protecting the team!"

Tournament Accident

During the Spring High qualifiers, Nekoma played a representative match to fight for third place.

At the end of the first set, Morisuke Yaku injured his right foot and had to leave the game.

Feeling sad, he thought, “I have been healthy all year… Why now…?”

Guidance and Trust

Morisuke Yaku often helps team members with problems, especially younger ones like Lev Haiba.

Unlike Nishinoya, he is good at teaching juniors how to receive.

He teaches Lev Haiba in a strict but caring way, helping him improve quickly.

Friendship and Mutual Respect

In practice matches with Karasuno High, he becomes friends with Yuu Nishinoya.

Both respect each other and try to become even better liberos by learning together.

Barbecue Scene

On the last day of the training camp, he enjoys a barbecue by the sea.

While relaxing with Koushi Sugawara, he notices Hitoka Yachi acting strange.

After Graduation

Morisuke Yaku joins Cheegle Ekaterinburg, a professional volleyball team in Russia.

He is selected to represent Japan at the Tokyo Olympic Games and even plays as a starting member in a match against Argentina.

  • His family name, “Yaku,” might come from nocturnal cats.
  • Another idea is that it comes from Yakushima forest, home to a rare wildcat in Japan.
  • He is proud to be the libero in Nekoma, a team famous for its defense.
  • Morisuke Yaku is thought of as Nekoma’s version of Koushi Sugawara because of his supportive role.

He does not like being teased about his height and will kick anyone who brings it up.

His teammates know "talking about Yaku’s height is forbidden."

Morisuke Yaku shows great care for his team, making sure everyone is OK and helping whenever he can.

He shines as a player and as a kind, dependable senior.

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(Last edited time: May 17, 2026, 9:43 p.m.)

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