For me "it's fine" "it's ok" means I don't want to talk about it stop bothering me, it isn't positive. I can understand why he would find it hard to parse as a high rating.
Thank you for the chapter. I think compared to a lot of other romance manga this one is pretty good so I hope you guys don't stop working on it! Hopefully you'll have better raws to work on (I assume that's the issue you're facing right now).
Picking out clothes for each other is like top 5 best couple activities I can think of, but Asa's not unstylish. A turtleneck + blazer combo rocks imo, mature & cool!
A page must be missing. Surely someone they knew showed up in the store, forcing Saki to hide with Yuta behind the curtain when he had his shirt and/or pants off. Manga & anime have taught me this always happens.