Kim Jinah, the youngest sister of INFINITE's Kim Sunggyu, is hired to become the personal care taker and manager of INFINITE  alongside her introverted translater, Shin Haeri out of pure care and worry from her brother for their lack of funds to survive at home. However, being the older brother he is, Haeri and Jinah are completely off limits from dating INFINITE. Not that Kim Myungsoo was even concerned of their presence, or that Nam Woohyun had enough girls on his back, or that L