A world where special powers are created by the system. Gru, a member of the Saebom Kindergarten chick class, awakens as an S-class hunter at the age of 4. And with that, there was one quest given… … . [Quest: A child needs a strong guardian!] The reason a guardian is needed. That is because Gru doesn’t have a mom or dad. Gru, who has no family, ends up being adopted by the best hunter in South Korea after many twists and turns, and on top of that, she gains a new skill - [Let’s find a new guardian and register it for a slot!] [Children earn ‘filial piety points’ through various activities, which can be used in various areas.] If you gather guardians, you can grow quickly? ‘This is amazing!’ Okay, I’ll gather all the S-class guardians for you!