Plagiarism.

I think so too. I've seen a manga very similar like this one I don't remember if it was shoujo or yaoi. But they're very similar.

Hi Ken. Almost a carbon copy of the first story in this compilation: http://www.mangago.me/read-manga/tonari_ni_kimi_no_nukumori_wo/mf/v01/c001/

Here (thanks to Thot in a thread below): http://www.mangago.me/read-manga/tonari_ni_kimi_no_nukumori_wo/mf/v01/c001/