Under the oak tree spoiler - Under the Oak Tree: Season 1 (1) by Suji Kim

He frequently holds himself back when he thinks she's not up for it, but doesn't realize that she is far too shy to speak up when she is in the mood, leading to occasional needless frustration.

When will the next book come out, because I need more!!!! I had some slight hopes this would be good and sweet based on some artwork, but god no.

The only bad thing is the abrupt ending with the breakup between the two books but it does guarantee I'll eventually pick up the second book in the series.

I love how there is also inner dialogue as well.