His Wife is a Genius Old School

Jihan, a 16-year-old girl who died in her past life, wakes up in the present time in the body of Arianne, a wealthy, spoiled, and immature woman who is in a coma due to a car accident. Arianne is married to Liam Shin, a powerful businessman, who was Prince Yul in Jihan's past life, the man that she deeply adored. Trapped in Arianne's body, Jihan must navigate her way in this new life while trying to understand the relationships and consequences left by Arianne's actions.