Weirdly... nostalgic? Reminds me of my adolescence, a little, hahaha. I could definitely relate to trying really hard to be naive and innocent while actually being an ashamed horndog. (No shame left anymore, though.)
Personally, I kinda hope she doesn't end up with anyone, and it's just a manga about her trying to deal with overwhelming sexual frustration into the perpetual future. Looks like she's going to end up with Shinobu, though.