It's actually from a yaoi game called Lucky Dog.But it also have manga: http://www.mangago.zone/read-manga/lucky_dog_1_blast/
I really recommend you to play/watch the game if you like hardcore lol.(๑•ㅂ•)و✧
Thanks~ honestly imnot into playing game, but ill read the manga.
Btw i just realize that i posted the wrong link, do you know about this manga http://www.mangago.zone/read-manga/mukuchi_na_koi_no_tsutaekata/mf/v01/c001/3/?
I recognise the art but forgot the author.Sorry ┗( T﹏T )┛
Anyone know about this manga in this picture? http://www.mangago.zone/read-manga/mukuchi_na_koi_no_tsutaekata/mf/v01/c001/4/