Romance manga w/ parent/guardian MCs (2)

A man who has lost his memory before the proposal, and woman who believes her heart was broken by the man. The two reunite for the first time in 7 years. He does not remember her, yet he is instinctively attracted to her. Little does he know, she has a beautiful child that resembles each half of them.
○
○ kid is 6 or 7 y/o

Single mother Olivia finds Damian dying on the streets and takes him home. Before long, the two are sharing a passionate kiss. Damian soon realizes the side effects of the drug suppressing his werewolf instincts vanish when he is with her. Now he must find a way to keep her around, no matter the cost.
○
○ kid looks around 5 y/o
○

Count Casarius fell victim to a plague and died suddenly, leaving behind a will stating that Rietta, his beautiful young widow of the manor, whom he tried to use as a concubine, be buried alive alongside him. Just before Rietta is buried, Archduke Axias, rumored to be a cruel tyrant, arrives at the funeral to collect the enormous debt Count Casarius still owes him.
○
○ You can support the author by reading this on Webtoon

Reeling from the shock of waking up in labor, a woman realizes that she is in the body of Princess Etricia Lette, the anti-heroine of a novel she never finished. The only thing she recalls is that Etricia had countless suitors, so the father of her baby girl, Loustina, is a mystery, but he could be one of four powerful men.
○
○ child is an infant

I woke up in a novel I was reading, in the body of the villainous stepmother, Leila, who abused the male protagonist when he was young and is eventually executed by Hirua when he returns as emperor.
○
○ child is five-ish
○ : child abuse (physical and shown); alcoholism; stalking; burning to death (body is blacked out buy can be seen burning in fire); suicide (shown)

After being transmigrated as Ibellia, thr villainess stepmother, Soyoon strives to change the plot in order to survive in her favorite webnovel. Her plan is to break off the engagement with Duke Cassis Adelhardt and live a quiet life on her own. However, the Duke and his young son Lucius will not let her go so easily.
○
○ : child abuse (mention); abuse; rape (implied, flashback); maternal death (mention)

Kim Yoon, a makeup artist, died from overwork. She was given a second chance to enter the world of her favorite novel. However, her luck took a turn, as she ended up inhabiting the body of the cruel mother who tormented Coral in the original story. Yoon tries to regain her senses and live well with Coral, but then she receives a letter proposing a marriage contract from the male lead’s father.
○
○ kids are kindergarten-ish age

Lady Ersetta refuses to marry the man her father has chosen for her and asks her maid, Farmé, to meet him in her stead. But Lord Ligieri, Lady Esretta's hated enemy, sends his servant Angelo to cover for him as well. Turns out, Angelo is oddly charming, and Farmé can't get him out of her head.
○
○ kid is a young teen at MOST
○ : child abandonment (flashback)