Ep. 3: Hachiman helps Saika practice tennis while Yui and Yukino join a doubles match against Hayama and Yumiko.

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Yui shares news of her improving relationship with Yukino while interrupting Hachiman’s lunch. Later, Saika Totsuka asks Hachiman to join the tennis club, prompting Hachiman to seek Yukino’s advice during a Service Club meeting. Saika then requests practice assistance, leading to a conflict when Yumiko and her group demand the court despite Saika’s prior permission. Hayato Hayama suggests a doubles match to resolve the dispute, pitting Hachiman and Yui against Hayato and Yumiko. Yui sprains her ankle mid-match and is replaced by Yukino. Yukino dominates until exhaustion forces her to pass control to Hachiman. He secures victory using sea breeze knowledge for high-arc serves. Spectators overlook the Service Club’s win as Hayato prevents Yumiko from injuring herself during the final point.