Yuuta Asuka manages the boys' soft tennis club and is the youngest of three siblings—he's got an older brother and sister in Izumi and Hikari. He's genuinely kind-hearted, but his lack of confidence makes him an easy target. People tend to walk over him sometimes because of it. That said, the club members really respect him and have his back when it counts. They see him as someone reliable and actually caring about what he does, and they're quick to defend him if someone steps out of line.
Content compiled by AnimeList.moe from publicly available sources.