http://iweb9.mangapicgallery.com/r/newpiclink/super_lovers/27/3d47107c9cd9278a2b1e3c8ec8bceb52.png
Not sure if it's manga (if it is I don't think it's been translated), but I'm fairly sure it by Kashima Chiaki.
http://iweb9.mangapicgallery.com/r/newpiclink/super_lovers/27/3d47107c9cd9278a2b1e3c8ec8bceb52.png