Gin, Please, Just Be a Good Person

[The original heroine was meant to be completely evil, and I can't write that or feel like changing it, so I've stopped updating. Enter at your own risk.] Ever since she was little, Karasuma Nanako's grandfather, Karasuma Renya, had told her: "Your life's goal is to spend money!" She diligently (happily) worked toward that goal for seventeen years. Then her grandfather, Karasuma Renya, suddenly fell ill and died. Her life's goals promptly became: 1. Take over the Karasuma Group. 2. Take over... a liquor factory? The moment a silver-haired man barged into her home in the middle of the night, claiming to be her grandfather's trusted aide, Karasuma Nanako's world changed forever. Gin (indifferent) (impatient) (helpless): "Boss." Nanako (confused) (dazed) (in denial): "?" Help! She's just an ordinary rich kid who's useless at studying and has nothing in her head besides how to spend money! She doesn't want to end up behind bars! - But there was still hope. The despairing Karasuma Nanako learned two more important things! 1. This world is based on a manga, and Gin is an official villain. 2. The unofficial character "Karasuma Nanako" has unlocked the "Book of Divine Hands" skill and its associated System. [Ding! Congratulations, Host, on unlocking the "Book of Divine Hands" skill! Let's earn points together and help the villains embrace a brighter future~ This can effectively keep you from ending up behind bars!] Karasuma Nanako had no idea what this skill she'd somehow acquired meant. But the next day, she could suddenly see a line of text glowing above everyone's head! Gin: Backstory 20% complete, evil level 100% Furuya Rei: Backstory 75% complete, justice level 98% Kudo Shinichi: Backstory 88% complete, justice level 100% [Ding! Congratulations, Host, on locking onto the official character "Gin"! His backstory value is extremely low! Use the "Book of Divine Hands" skill to fill in his backstory and lower his evil level to earn a large number of points~] [Ding! Host, please note! When a character's evil level drops to 50% or below, the NPCs killed by that character can be revived~ You'll receive bonus points too~] Karasuma Nanako understood. All she had to do was use her skill to fill in Gin's backstory and make him a good person. Then the people Gin had killed would come back to life, and she'd earn points to escape her fate as the liquor syndicate's boss, destined for prison. Karasuma Nanako: Great! So how do I fill in his backstory? [Ding! Host can choose one of the following points in time to travel back to and take part in the character's life~] [A: Gin at age five; B: Gin at age fifteen; C: Gin at age twenty-five] [So, dear Host, which point in time would you like to return to?] Reader's Note: 1. First-person narration. Gin may be out of character. Redemption arc ahead. 2. The liquor syndicate will be redeemed, and every deceased character will be revived. 3. The male lead is set: Gin. Theme: Be a good person