Yeah, I'm waiting for when they're older so I keep reading it.
I have other suggestions, yeah. Again, maybe you already know them:
Colette Wa Shinu Koto Ni Shita (one of my favourites!)
I will change the genre
Milady just wants to relax
I gave birth to the tyrant's child (I kinda dropped this one, tho)
Queen Cecia's shorts (or smth like this)
The lady I served became a young master
The crown Princess audition (she's of lower nobility who are basically commoners with a title)
A hunter's courtship method
Matchmaking baby princess
I'm the ex-girlfriend of a soldier
The Villain discovered my identity
Please throw me away
The lady's butler (The ML is her butler but he's a powerful figure so I don't know if this one counts)
The fake princess' OP bunny
The princess imprints the traitor
I choose the emperor ending
Like wind on a dry branch
I Want to Be a Receptionist of The Magic World
Saving the Villain Who was Abandoned by the Female Lead
Please don't eat me (fallen noble who is basically a commoner with a title, again I don't really know if we can consider it for this list)
Irregular empress
Éminence Grise Female Lead Is Trying to Make Me Her Stepmom
That's it. I don't remember more haha
I like the premise of this one. Not having a heroine is a very unique twist, plus I'm glad to see a ML of a lower status than the MC finally appear. So long as he's not some secret Prince of a conquered kingdom sent to infiltrate the MC's house, or the Head of the Mages or something or the other, it'll be nice to see an interclass romance properly play out.