Close friends since childhood, Touma has a long intensifying unrequited love for Takaya. "I want to be his princess", "He is my hero" – though he has a rough personality and mouth, Touma thinks like a maiden and is hurt every day by his own servile thinking and self-deprecation as he cannot express his love. And it doesn't help that Takaya has gotten himself a girlfriend since starting university, and as Takaya's "nursemaid" and close friend, Touma can't avoid close contact. At the same time, club senpai Yonezawa and a mysterious woman have gotten close to Touma; and here starts the harsh and painful changes in unrequited love for Touma – "But my world is filled even with just one word from you."