When I joined the company as a temp, it turned out to be a company founded by an 18-year-old girl. The president, who had no family, pretended to be strong even when facing difficulties in order to succeed. However, something triggered her true feelings of wanting to be pampered, and that feeling of wanting to be spoiled burst out. I succumbed to temptation and crossed the line with the president, even though I had a live-in girlfriend. I felt guilty, but my live-in girlfriend was the complete opposite of the president, carefree and indulgent. She would make a mess of the room, indulge herself, and play around all night. She would always leave heavy bags for me to carry and ditch our dates. The one who healed my relentless days off was the president. She would carry heavy bags with me like a lover and say sweet loving words like wanting to be with me forever. The one by my side was no longer the president but the 18-year-old girl named 'Hina.' Unable to suppress my feelings any longer, while my live-in partner was away, we indulged in sweet secret sex at my home multiple times. However, as the sweet times passed, Hina couldn't help but cry out 'Daddy...' realizing that no matter how much she sought comfort, she didn't belong in my home. With Hina, who completely exposed her true feelings and fell completely, a fiercely intense and forbidden 'real relationship' begins...