A lot of fantastic animation deals with themes of grief and loss, so you're in luck! Here are some recommendations that I think really handle these topics with care.
1. Wolf Children - This film follows a young mother raising her half-wolf children after the tragic death of their father. It's an emotional journey that beautifully explores the balance of love, loss, and the struggle of moving forward. The way it portrays the mother's grief and her perseverance for her children is really poignant.
2. Your Lie in April - While this series is primarily about music, it deeply explores themes of grief, especially surrounding the main character's past and his relationship with a vibrant violinist who helps him confront his feelings. The emotional weight is very impactful, and the art is stunning as well.
3. Made in Abyss - This show gets into loss in a different way. The characters face the harsh realities of their world and the loss of loved ones while exploring a mysterious abyss. The way it addresses themes of sacrifice and the consequences of seeking the truth about loss is compelling, albeit with some darker elements.
4. The Grave of the Fireflies - Though technically a film rather than a series, it's such an unforgettable representation of grief and loss during wartime. It shows the bond between siblings and the devastating effects of war on innocent lives. It's a hard watch, but the emotional impact is unparalleled.
5. Little Bear - This may seem like a children's show, but it has gentle episodes that touch on loss and how the characters cope with it. It's softer in tone, but it's a comforting watch for anyone dealing with grief and can be quite meaningful for adults reflecting on childhood experiences.
Each of these titles uniquely tackles grief, making them worthwhile picks for your watchlist. Hope you find something that resonates!