SolarmovieOne

Watch March Comes in Like a Lion online — it may be available on legal streaming platforms such as YouTube, Netflix, Prime Video, Hulu, Disney+, and others.

Set in Tokyo, Ice brings her amnesiac older brother Haruo home from the hospital to care for him. He is reluctant to go, until Ice tells him that she is his lover. Since he has no memory of his sister Ice, he obliges her. How long until his memory returns?