It's a yaoi where the mc joins the editorial department for manga, and his old senpai is his boss. It has a countdown starting at 365 days till he falls In love with his senpai.
http://www.mangago.me/read-manga/sekaiichi_hatsukoi/ here you go
http://www.mangago.me/read-manga/sekaiichi_hatsukoi/
Thank you guys so much!!!
that sounds like Sekaiichi Hatsukoi
It's a yaoi where the mc joins the editorial department for manga, and his old senpai is his boss. It has a countdown starting at 365 days till he falls In love with his senpai.