A/N: Again, I thought you may got curious about this, so here you go.
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Family#1
Father role: Shoto Todoroki.
Mother role: Izuku Todoroki.
Kids: Izuto Todoroki. (Quirk: Half-Cold Half-Hot and Telekinesis (Grandma's genes kicked in.))
Reaction when seeing the child for the first time:
Inko: Nearly flooded the hospital with her tears. (Out of happiness of course.)
Rei: Was happy to see her grandchild.
Enji: Didn't show it, but was happy to see him.
Fuyumi and Natsuo: They couldn't find place for themselves. (Happy uncle and aunt noises.)
Family#2
Father role: Katsuki Bakugo.
Mother role: Eijiro Bakugo.
Kids: Katsujiro Bakugo. (Both quirks of the parents.)
Reaction when seeing the child for the first time:
Mitsuki: Was happy to see him and to know that Katsuki will feel her pain.
Masaru: Was just happy.
Eijiro's parents: Were happy.
Family#3
Father role: Tenya Iida.
Mother role: Mei Iida.
Kids: Tenko and Etsuko Iida. (Tenko got mother's quirk, while Etsuko father's quirk.)
Reaction when seeing the children for the first time:
Tenya's parents: Were really happy.
Tensei: Was happy to see them.
Mei's parents: Were a little shocked, but it was quickly replaced with happiness.
Family#4
Father role: Tamaki Amajiki.
Mother role: Nejire Amajiki.
Kids: Haru Amajiki. (Got father's quirk.)
Reaction when seeing the child for the first time:
Tamaki's parents: Were really happy to see their grandchild.
Nejire's parents: Were happy too, but were worried because of Nejire's floaty personality.
Family#5
Father role: Michael (L/N).
Mother role: Darby (L/N).
Kids: Hunter. (Quirk: Wolf and Analyzing Vision.)
Reaction when seeing the child for the first time:
Your mom: Was ready to buy a lot of toys to her grandchild.
Darby's parents: Were happy to see their grandchild.