I'm the Villainess in the Apocalypse - Chapter 484. Sudden Call

Xia Yan passed through to the world of Bleach and became an eleven-year-old boy. He was rescued by Renji and Rukia in the Seireitei, and he was studying at Shin’ō Academy, and he was a student of the same class.
He is a top student of the Shin’ō Academy, and he is vying for strength by various teams. In the end, he has entered the first team of secret mobile maneuvers.
He will use punishment to kill every person who tries to threaten the martyrdom and protect his loved one.

- Description from Novelupdates

[No fixed CP + wear books + brain hole cool text + women disguised as men + group pet]

Gu Lan crossed over and became the cannon fodder of the original book disguised as a man, counterattacked the protagonist of the original book who slapped her face, and lived in a dormitory full of sickly beauties.

Until one day, she discovered that her roommates were villains from other horror novels. After discovering the secret, Gu Lan thought she would be killed, but her roommates all looked at her strangely… Contrasted with cute Zhengtai, sickly and beautiful boy, split personality school girl, cold and stern school bully, romantic and noble son who plays Shura every day field.

- Description from novelbuddy

Once upon a time-travel leap, Mu Caiwei, the gold-medal bodyguard, turned into a poor peasant girl, Mu Caiwei, who starved to death.With nothing to their name, and an empty rice vat, facing a skinny, malnourished mother and a bunch of hungry younger siblings, Mu Caiwei rolled up her sleeves and shouted, “Sister's going to get rich!”Although she had followed a proud and aloof path in her past life, times were now different.At the small stall, Mu Caiwei donned an apron, zealously crying out, “Fried skewers, fried skewers, all kinds of fried skewers…”In the fabric store, Mu Caiwei expertly worked the abacus, “This Q version of damask should be sold for fifty taels of silver a piece…”……Soon, the people of the Great Jin Nation knew that the richest person in the Great Jin was not only a stunning, young girl, but also a generous and philanthropic individual!Mu Caiwei couldn't dream that she received a miracle — a magical space, by simply carrying out a few random acts of charity!She also received an extremely “embarrassing” — predestined marriage!In a nutshell: The stunning transition from poverty-stricken peasant girl to Empress!I'm not good with summaries, so please move on to the main text.

Her – a glutton without troubles or worries who crossed over and became a young fat chick with a deep vengefulness.