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.”