Ijiwaru wa Kuchibiru

From Intercross: During Shihori's 15th Spring, she fell in love with the idol Shuu Kitamura. She is even lucky enough to get to meet him in person but realizes he's nothing but a fraud! But, due to certain circumstances Shihori becomes Shuu's personal assistant?! On top of that, Shihori's uncle is in charge of Shuu!?