I Am The Heroine's Father: The Cannon Fodder's Ascent - Chapter 52: Cost of Loving-Locked outta Heaven

After dying in an oddly anticlimactic vending machine accident, Kazuki Ren is reincarnated in the demon realm—not as a hero, not as a villain, but as the only human male student enrolled at the mysterious Academy of Ruin, a school where all the professors are demon lords and all the students are powerful, beautiful she-demons.Ren is told he has one task: survive.But there’s a catch. The Academy’s darkest secret is about to awaken, and Ren holds a hidden power that could either destroy the demon world... or rule it.Now surrounded by seductive demons with hidden motives, eldritch tomes, forbidden dungeons, and twisted exams, Ren must master his ability—or be consumed.Magic, mystery, danger, and temptation await in this dark academia harem fantasy.

One day, Jiao Bai went home and passed by the small bookstore, walked in. The boss recommended a batch of new goods to him with a fatherly face, all of which were rotten. He went home happily, but was hit by a car at the intersection in front of his house, and as soon as he opened his eyes, he was in a BE scumbag.

Hehehe. Jiao Bai folded his hands on his stomach, lying on the big white bed with a peaceful face, he dressed as one of the candidates… of the little stepmother of that scumbag. Oh, by the way, the protagonist in the manhua, the cheap Shou, is the white moonlight of the character he passed through. Now, washing up in the bathroom is an old friend of the protagonist gong’s dad, and next door is the slag gong’s dad and his old friend’s ‘Little Pepper’.

- Description from Novelupdates

Lu Liangwei wakes up to find herself transmigrated as a supporting character in the novel she had been reading a few days ago. According to the novel, this character has everything—beauty, wealth, status—except brains. Before Liangwei had taken over, she even went as far as to hang herself for the male protagonist that she loved: the Crown Prince as well as her sister's lover. Now that she has become a "brand new" person, it is time for her to turn her life around with charm and wit! She will get everyone to fall in love with her, even the Crown Prince's uncle—the Emperor! Who needs a prince when you can become the Empress herself?

Maid, older sister, younger sister, and even mother, all of them.