2 look like they want to join the Iwatobi Swim Club
"…We could use my bathtub. It would help pace his breathing.." Although the idea seemed somewhat unsettling to him, it was the only way they could help him. And of course they could show him different techniques and whatnot. This situation didn’t seem as hopeless to Haruka as he thought it would. "Okay, we’ll use to tub.."
"Awesome! The faster we get Rei-chan trained in the tub, the easier it will be to get more joint practice times~" Which should have roughly translated to a well trained Rei meant more time in a real pool. It was exciting, thinking about getting back into swimming again, just like grade school. "Uh, Haru-chan, do you know if Rei-chan has a swimsuit of his own yet?"