Kaguya-Sama: Love is War – The First Kiss That Never Ends – was the first, and perhaps last, movie that focused on the eternal rivalry featuring anime characters Kaguya Shinomiya and Miyuki Shirogane.

Step-sibling romance themes in anime are controversial yet intriguing, exploring unconventional love stories with nuance and depth. Series like Citrus and Domestic Girlfriend showcase step-sibling ...