Bruce, AKA Batman, has recently run into a few furry little problems: his family has grown, all at once and by quite a lot. Friction among the kids keeps cropping up, and their poor, innocent father always gets caught in the middle...
At first, Bruce only adopted Dick, whose parents had died in an accident. Then he met a boy trying to steal the tires off the Batmobile. After that, the Drakes went on a business trip and left their youngest son in his care. While fighting crime, he also took in a little girl. And that wasn't the end of it: his ex-girlfriend suddenly showed up with a little boy who looked just like him... Add in Commissioner Gordon's daughter and her friends, who occasionally drop by, and Wayne Manor, once home to just two people, suddenly has seven kids.
Bruce, constantly going out of his mind over having too many kids: I'm tired. Just let the world end.
Maybe because his days are so eventful, Bruce finds it especially relaxing to keep working as Batman at night, until Gotham suddenly fills up with a bunch of underage vigilantes. Bruce's nights become just as hectic as his days.
After discovering that the vigilantes are actually his adopted sons and daughters, Bruce finally gets used to spending so much time with seven kids. But one day, they are attacked with magic, and the kids gain hearts' eggs of their own. They begin using the Guardian Characters that hatch from them to transform their appearances and change form, so they can fight crime more effectively.
Batman, who has just gotten used to working with underage vigilantes: ...Great. At least they change into their costumes much faster than before.
The criminals, who have just gotten used to being beaten up by underage vigilantes: This is not great at all! I report them for cheating! Young people have no honor anymore
Reader's Note: An unrestrained idea with lots of headcanon. Some characters may be out of character. Batman gets several little birds who can transform into future vigilantes, and there's a plot where they turn into bad Guardian Characters and are then redeemed.
Theme: Hold fast to your dreams and never give up