Rakuin no Monshou - Volume 12, Chapter 5: Darkest Black

Mu Jingzhe transmigrates into a book filled with sweet, doting love to become the useless supporting character who serves as a foil to the female lead. She also becomes the stepmom of five kids to her recently deceased husband.

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.

Qin Xiaobai transmigrated into a husky.
And his master turned out to be a goddess-level live broadcast.
Reporter: “Miss Su, you are now the first sister of Douyu. What’s the secret of your success, is it your good looks or hard work?”
Su Wanqing thought for a long time, then pointed to Erha beside her and replied, “It doesn’t seem to be the case. The main credit for my current achievements is that my Erha is so outstanding! Sometimes I even doubt that my Erha is the protagonist. …”

- Description from novelbuddy

In a world ravaged by radiation and the remnants of war, Dylan is far from a classic hero. A lieutenant with a tainted past, he's just trying to survive the ruins of a dying world... until the day he wakes up bound and surrounded by the mutilated corpses of his comrades.Captured by monstrous creatures, he soon realizes he’s been transported to another world. A world far more dangerous, far more brutal—where only the strong survive, and even monsters are hunted. Saved in extremis by Maggie, his commanding officer, he begins a desperate escape. Their only hope may lie in their encounter with Élisa, an elf abandoned by her kin, and their discovery of a mysterious power: anima gems—stones imbued with spiritual essence that can enhance body and soul, and unlock the path to awakening.No One under 18 admitted