Reincarnated into a Game As the Hero's Friend - Chapter 7

Aria and Ivy are twin sisters whose father has gone missing for three years. They have left no stone unturned to find him, but all in vain.

In an unusual encounter, a business tycoon, Noah Allen Carter, falls in love with Aria. Meanwhile, Ivy approaches Joshua Martin, who is a friend of Noah, to help find her father and in the process falls for his charms. What happens when the sisters find that the people they love are the ones behind their misery?

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“Ivy, sweetheart. Please come back. I love you.” Joshua cried holding her hand. However, there was no response from her.

“Ivy, please say something. Don't be like this.”

Joshua kissed her hand, but Ivy had long made up her mind. Only a miracle could make her come back to him.

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“I hate you, Noah,” she shouted.

“I love you, Aria,” he replied, pulling her towards him.

“No, you don't.”

“Yes, I do. Falling in love with you is the best thing that ever happened to me. I will always love you; today and forever.”

When natural disasters ran rampant, with extreme cold and storms spreading endlessly…When the world mutated, zombies surged like tides, and eerie horrors emerged…When the apocalypse descended, massive Devouring Abysses hundreds of kilometers in diameter began appearing around the globe…When people looked up at the atmospheric cloud layers and saw the slowly emerging corpse of a colossal evil god…From that day, people began to notice that daylight was arriving later and later, until the sun no longer rose, plunging the world into an unending polar night.For survival, on that day, the Apocalypse Radio made its final broadcast to the world:“Everyone, flee eastward—escape to dawn!”…Lin Xian awakened the [Mechanical Heart] ability. He could devour machinery to gain various mysterious skills, scan machines to obtain blueprints for manufacturing, and even use his thoughts to achieve unified control of different machines.Thus, he found a 200-ton heavy gas-powered locomotive, towing specially modified storage, planting, production, medical, and living carriages, and embarked on a 320,000-kilometer journey along the planetary orbital rail—charging eastward toward the dawn!

Going for a swim, she ends up in an ancient wild Beast World and ends up being brought home by a handsome wolf.
She wants to stick to the handsome wolf, stock some salt, farm some land, look at some handsome men and grow old like that, but the handsome wolf pounces on her every day.
What? He wants her to have babies?
NO~ NO~ NO~ There is no happy ending to interspecies marriages, hurry and let go of me handsome wolf~

- Description from Novelupdates

An unnamed 34-year-old Japanese NEET is evicted from his home following his parents' death.

Upon some self-introspection, he concludes that his life was ultimately pointless.

Walking down a street he intercepts a speeding truck heading towards a group of teenagers, in an attempt to do something meaningful for once in his life he manages to pull one of them out of harm's way before getting himself in the way of the truck and dying.

Awakening in a baby's body, he realizes he has been reincarnated in a world of sword and sorcery.

He resolves to become successful in his new life, discarding his past identity for his new life as Rudeus Greyrat.