Zoukiya is a true hero show fan at heart. Wanting to be on the side of justice, he tries to correct those who have strayed from the path of the righteous. But somewhere along the way, the people have written him off as a gangster. But when this is all happening, he happens to meet a suited up part-time actor at a nearby amusement park, who is his ideal type of hero. So he wants to befriend this mysterious man, but…!

From Girls' Generation:

After the remarriage of his father, Takara finds himself becoming the eldest of the four siblings. Wanting to try his best as the oldest brother, Takara ends up stumbling and tumbling with his relationship between his three younger siblings. Each chapter tells the tale of how Takara bonds with each sibling.