I would suggest you start with Studio Ghibli/ Mr. Miyazaki’s works

• My Neighbor Totoro
• Princess Mononoke
• Spirited Away
• Pom Poko
• Castle in the Sky
• Only Yesterday

You may also want to watch Makoto Shinkai’s works

• 5 Centimeters per Second
• Your Name
• Weathering with You
• Suzume