Boku no Ichiban Hoshii Mono

Miharu, a college student who is alone in his life, meets a beautiful entrepreneur named Nio who wants to buy a painting that was a memento of his parents. When Miharu, suspicious of his offer to pay any amount of money for the painting, firmly refuses the offer, for some reason, he is taken in by him. Just then, Miharu loses his place of residence in a fire. When he is at a loss, Nio offers him to live with him for the time being. Although he cannot read his intentions, he reluctantly accepts his offer. Miharu is not good at relying on others or expressing his feelings, however, he is very disturbed when dealing with Nio. What is the answer to this stirring feeling?