"Huh. Not bad," Haruka said. She did a slow length, to get a general estimate of how long it would take to go from one side to the other before she'd have to switch. She pushed off the opposite wall and replied, as she came back,

"Since primary school I guess? My first school didn't have as many physical activities as most." She pushed a loose strand of hair out of her eyes. "The dreaded wall is much easier to avoid than the dreaded basketball smacking into your face. And water feels nice. Don't have to worry about overheating or being covered in sweat either."