Ep. 4: Natsusa clashes with teammates while Doshisha faces Isui University in a rugby match.

Natsusa moves into a dorm with Yasunari, finding him cold, and later complains to Ibuki and Seiichirou about Ibuki’s B-team status and protein choices. On a train, Natsusa scolds teammates for taking too much space, causing tension. At Isui University, a fan named Ryuusei, inspired by Natsusa, interrupts him before the match. During the game, Isui utilizes Ryuusei’s unique steps to score, upsetting Yasunari. Natsusa tapes Ibuki for his return, revealing a childhood charm for luck. Ibuki enters the field, encouraging Ethan to shine, and they execute a successful play together. Despite their efforts, Yasunari’s mistakes and Seiichirou’s rare post hit contribute to Doshisha’s loss against Isui.

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