Mine would be anything directed by Yamada Naoko, this includes:
Silent Voice
Liz and the Blue Bird
Tamako Love Story
Kimi no Iro (if you live in USA, it'll be in theater on 25th Jan)
K-On
Heike Monogatari
Modern Love Tokyo episode 7 (Modern Love Tokyo is an anthology of love story by various directors, most is a live action drama except episode 7, so you can jump straight to episode 7)
Hibike Euphonium (Yamada was the series director for 1st & 2nd season, but give the 3rd a watch as well, it's cinematography best to none for me last year)
Mine would be anything directed by Yamada Naoko, this includes:
Also Look Back, if you're an artist