The Strongest Raider - S1.E4

As Yoigoshi tries to find a way to capture the feeling of "winning" in training, his impatience begins to take over. Iura realizes this and tells him to make use of his superlative potential to become "Noukin's Beast," the strongest raider. Later, while Yoigoshi is out running, he crashes into a slightly built male whose presence he hadn't sensed at all. This person is only just recovering from a stay in the hospital and his identity is...