[Luckily enough Ai was picking up on what Kouki was doing on the console, her eyes intently watching every step while her brows were furrowed, her expression focused. What experience she had with computers in general almost certainly helped in this aspect, though; she would have had a harder time understanding all this if she was from one of those worlds where such technology didn't even really exist.]

...I see. [She nodded slightly, glancing at Kouki in a short break between the things he was doing on the console.] ...What matters most is that the pool is long so that I can practice swimming from one way to the other without having to switch direction often.

[As for recreating the exact same pool from her memories, the girl would resort to giving this a try herself sometime, hopefully using what Kouki was teaching her here to her advantage.]