Monster Factory - Chapter 599

He died on the wedding of the girl he had a crush on, after a long and successful career. After convincing Yama to send him back to the world, he decides to fix the areas in which his life went wrong. Realizing the lack of love and romance in his past life, he sets out to conquer the hearts of various women.

- Description from Novelupdates

This stands at the forefront of strategy guides to Life (a shitty video game)!

A world where awakened individuals with special powers emerge due to a system. At the New Spring Kindergarten infant class, Gru awakens as an S-rank Hunter at the age of 4. Along with this, there is a quest assigned to her… [Quest: A child needs a strong guardian!] Why is a guardian needed? That is because Gru has no mother or father. Gru, who had no family, is adopted by the greatest Hunter in South Korea after many twists and turns, and along with that, new skills are developed… [Let’s try registering a new guardian in the slot!] [Children can earn ‘filial piety points’ through various activities, which can be used in different areas.] Gathering guardians enables faster growth? ‘That’s amazing!’ Alright, I’ll gather all the S-rank guardians!

Others' impression of Emperor Bo is: aloof, terrifying, and indifferent.Tong Yan's impression of Emperor Bo is: spoils her, spoils her, spoils her.Emperor Bo won the Global Best Actor Award, and during an interview, a reporter asked: “Emperor, what do you think is the most romantic thing?”Emperor Bo smiled slightly: “The most romantic thing I can think of is giving her the best!”Women across the country were moved to tears, crying out and begging to marry him.But Tong Yan gritted her teeth: Best, my foot!This book is also known as 'How the Emperor Spoils His Wife.'