Nana (no-name in Japanese) has no memory of his childhood before the age of twelve, when a store owner took him in and cruelly named him. The only clues to Nanaโs past life are the burn scars on his legs and his irrational fear of fire. Enter Mitsuha, a vagabond writer, who crashes Nanaโs place at the insistence of a mutual friend. At first, Nana loathes Mitsuhaโs very existence โ although he canโt sleep alone, Nana doesnโt like it when his new roommate climbs into bed with him, either โ but eventually, he warms to Mitsuhaโs sincerity and kindness and finds happiness waking beside him. Can their budding relationship help Nana come to terms with his unknown past?