It's Not My Daughter, But Me!?

"This child, I will raise her."My name is Utamakura Ayako, thirty-something [BEEP——]. After my sister and brother-in-law passed away, I've been raising their child for over ten years. My daughter, who's now in high school, has been getting along well with Sawaza Takumi, a childhood friend, recently. Maybe they'll start dating soon, I wonder? Takumi is a good boy, and I approve.Huh? He says he has something to tell me, could it be something like, "Please let me marry your daughter"?Oh dear, isn't that a little early——"Ayako-mama… I, have always liked you. Please go out with me.""It's Not My Daughter, But Me!?"The boy next door likes me, not my daughter!? Is this a joke!?Raising my sister's daughter...