The Overly Straightforward Natsume-kun Can't Properly Confess is a Manga/Manhwa/Manhua in english language, ROMANCE series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Is this confession for real!? A cute surreal love comedy between a slightly off-the-rails full-steam-ahead high school boy and a fluffy cool-headed gyaru!