I want to catch up with you is a Manga/Manhwa/Manhua in (English/Raw) language, Oneshot series, english chapters have been translated and you can read them here. You are reading I want to catch up with you chapters on ManhwaZ, fastest updating comic site. The Summary is
Suzume and Eikichi are childhood friends living next to each other, but they've become distant over the years. One day, Eikichi suddenly asks her to tutor him.