Shin Hyun Been

Yoon Hyun Woo is a devoted, hard-working, and loyal secretary to the Soonyang chaebol family, which runs the lucrative Soonyang Group business empire, founded by Jin Yang Cheol. During a power struggle between Jin Yang Cheol's children for control of the empire, Hyun Woo is ruthlessly betrayed and killed under the orders of an unknown member of the chaebol family. Miraculously he wakes up as a kid inside the body of the youngest member of the family – Jin Do Jun. After he realizes what has happened, Yoon Hyun Wo plots to use his new “identity” to formulate a hostile takeover of the group – and punish the people who killed him. But, will the cold-blooded and money-hungry CEO of Soonyang Group, one who firmly believes in right of primogeniture, be so easy to win over or conquer? Will Hyun Woo be able to wrest the reins from Jin Yang Cheol's children? And what role will be played in all this by a dogged public prosecutor named Seo Min Young, nicknamed “Soonyang Group Grim Reaper”? (Source: LuckyGirlGwenIce at MyDramaList) ~~ Adapted from the web novel "Youngest Son of a Conglomerate" (재벌집 막내아들) by San Gyung (산경).

The story of love, betrayal, corruption, and revenge that takes place within the life of a woman who briefly leaves behind her picture-perfect lifestyle to give in to her desires, and another woman who meets her during this period and loses the light of her life. Jung Hee Joo had a tough time during her youthful days, but she is now a successful painter and essayist. Her husband, Ahn Hyun Sung, is the successor of a hospital, and together have two children. Her family life seems enviable, but Hee Joo feels like she spends her time meaninglessly, and at that time, she meets Gu Hae Won. She is a poor art teacher, much like Hee Joo in her younger days, but she still shines and is full of life. (Source: MyDramaList) ~~ Adapted from the short story "Someone Who Looks Like You" (너를 닮은 사람) by Jung So Hyeon (정소현).