The bare bones story is quite similar, shy girl meets not shy guy who helps her come out of her shell and they end up improving each others lives in the long run.
The unpopular girl at school grabs the attention of the popular boy at school.
Though different plots, its a similar look at how one is seem inferior in the relationship.
Though the endings are different, both female leads deal with the feelings of inadequacies compared to a past girlfriend, or those around them.
Both are share are based on a manga, as well as deal dealing in School, and are a romance.