There really is no harem. Only Uly and Leon has a chance. Andy likes her as a younger sis and Henry is *see spoiler below*. Also, I think having crushes at a young age is pretty normal? There's also her perception of knowing who's good and who's bad (probably due to her holy power). So her perception or feelings might be higher than most. Hence she knows she likes him but doesn't understand to what extent that is. What she knows is she likes Uly differently than how she likes the Duke's family and Ann.
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SPOILER: Roro is the daughter of the current Emperor through the mistress, who is the countess. It seems she is greedy of power and the reason why she told her to pretend as a boy was to secure the spot to the throne. This also means that Henry and Bibi are her nephew and niece, and that the current crown prince is her older brother.
That does make it better not gonna lie. But without the spoilers I really don't think I could've actually enjoyed it lol. So tysvm I'll give it another go when there's more chapters.
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If we're talking confessions and love shit... No. NOPE. Who in their right mind would even. The dialogue for her age should've been he sparkles or something. But badump badump? Why the hell would her heart be beating like that at her age?!?!?! If she was in her teens maybe but she's younger than 10. The plot is for someone else. From mother fucking who is this harem for???? Definitely not this child. Maybe. MAYBE if it was a reverse in time but how would a child from an orphanage with no love experience be like "Oooo I like him." Then she confesses?! (╯°Д °)╯╧╧ I came for the fluff but I got some weird harem shit! Where's the time skip??? Love my ass. Lol done with rant.