How Realistic Is The Volleyball In Haikyuu?

Sports anime Haikyuu centers around Shoyo Hinata's struggles to achieve victory for his volleyball team. So, how realistic is the volleyball in Haikyuu?
Sports anime Haikyuu centers around Shoyo Hinata's struggles to achieve victory for his volleyball team. So, how realistic is the volleyball in Haikyuu?

How realistic is Volleyball in Haikyuu?

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