If there's one thing I dislike about Maro, it's his constant simping of Ushikura. He literally has at least 4 girls who are not only much better, and has great chemistry with him, they're all also into him. And that's not including the cards.
If you're curious about the flow of the story, without any spoilers, we do get some down time here and there but we get long (longer than this arc) stretches of really intense high stakes arcs before them.
Lots of character development and gaining power (obviously) and TONS of worldbuilding to...
Gremlry lost all her aura in the first few pages she appared in. All that's left now is a vaguely human shaped blob who's only use is her nice body, but we all know she'd be useless at that anyway.
There's definitely gonna be a 4th child if this ever continues even in just omakes. 10th generation had 7 after all. Taiyo and Mutsumi can't lose to that.