Anna, 12, sofre de asma e acaba enviada para ficar com parentes no interior do Japão. Ela gosta de ficar sozinha, desenhando, mas acaba fazendo com a misteriosa Marnie.
O compositor Takatsugu Muramatsu trabalhou em "Ano Hi No Orugan" (2019), "Mary e a Flor da Bruxa" (2017) e "Lu está Livre" (2017).
1 - "An Ordinary Face"
2 - "Anna's Journey"
3 - "Off to the Post Office"
4 - "The Marsh House"
5 - "The Light is On!"
6 - "The Girl in the Blue Window"
7 - "Sketching on the Boat"
8 - "The Girl Stood Up!"
9 - "Like Just What I Am"
10 - "When I Held a Doll"
11 - "It's Not a Dream!"
12 - "The Two on the Boat"
13 - "Three Questions Each"
14 - "The Party"
15 - "Kazuhiko and Marnie Dance"
16 - "Let's Dance, You and I!"
17 - "While Cutting Tomatoes"
18 - "Hisako's Painting"
19 - "The Blue Diary"
20 - "The Mushroom Forest"
21 - "The Two Confess"
22 - "It's Like We Traded Places!"
23 - "Anna Runs in the Storm"
24 - "A Final Wish"
25 - "Hisako's Story 1"
26 - "Hisako's Story 2"
27 - "When Marnie Was There"
28 - "Fine On The Outside" (Words and music written by Priscilla Ahn)