Yosugara Kimi o OmouYosugara Kimi wo Omou; 夜すがら君を想う; 밤새도록 널 생각해; I Think of You at Night

Ever since his brother's wedding, Ichiya is romantically obessed with Natsuki, his brother-in-law. After the passing of his brother, he moves in with a widowed Natsuki to help raise his nephew...