Yuka Gouenji

Yuuka Gouenji the younger sister of Shuuya. She goes into a coma because she got hit by a car right before Shuuya's Final Frontier game. He blames it on himself, that if he never played soccer, she'd never would've gotten hit and that's why Shuuya stops playing soccer. But Natsumi Raimon comforts Shuuya, then Shuuya starts playing soccer again.