Honestly kind of masterful that despite their cringy awkwardness, these two actually pull off being very cute. That's a tough line to walk, writing-wise.
You know what I like about this one that's rare in 'introverted bookworm' mangas? They're finding and recommending real books. A nice little detail that shows Ono really thought about what they're going to do with these characters and their path.
Usually it's "I recommend X author for you!" and...