Manual for Using Fierce Beast

Seo Yu Jin, who claims to be in charge of dealing with difficult customers at HN Planning, belongs to the secretarial office. One day, she suddenly received a call from the president and heard some unexpected news. “My younger sibling is returning to the country after a long time. Can you take care of him for three months? It’s not that hard. Just keep him from appearing in public. It’s okay, he probably won’t hit women… maybe.” She should have run away right after hearing those words, but money-driven Seo Yu-jin eventually agreed and confronted the third child of HN Group, Jin Tae Oh, who was hidden behind a veil…