Doushite Watashi ga Bijutsuka ni!?

When entering high school, the protagonist Sakai Momone applies to the art course by mistake. She has to study overtime to keep up. There she meets new friends and learns to appreciate art.
4-koma of the year 2017 (new publications): http://4oty.net/2017/award
Tsugi ni kuru manga 2018 (nomination): http://tsugimanga.jp/nominate/2018/comics/