What Was Meant to Be a Contract Marriage Turned Into the Duke's Obsession

Alternative

Tada no Keiyaku Kon no Hazu na no ni, Yomei Ichinen no Reitetsu Koushaku ni Dekiai Sarete Imasu / ただの契約婚のはずなのに、余命一年の冷徹公爵に溺愛されています / I Thought It Was Just an Ordinary Contract Marriage / It Was Just a Contract Marriage, but the Dying Duke Dotes on Me / What Was Meant to Be a Contract Marriage Turned Into the Duke’s Obsession