The Stepmother's Counterattack: Raising a Child in a Bygone Era - Chapter 675 - 674: Guidance

When Bai Xun was bored, she played a dating game recommended by a friend. She entered the game and must keep up the affection with seven different types of men as the only way to clear the game. Only when she gets seven hearts safely can she go home? After many deaths, Bai Xun knew it, and could only live by paying closer attention!!

- Description from Novelupdates

The ordinary 18-year-old Edo, during a nighttime walk, finds himself in a fantasy world where he gains a mysterious power that could shape his destiny.

A mecha otaku is reincarnated into another world as Ernesti Echevalier (Eru). In this world there exist huge humanoid weapons known as Silhouette Knight. Dreaming of piloting those robots, Eru, with childhood friends, Archid Walter and Adeltrud Walter: together they will aim to become a Knight Runner, pilot of Silhoutte Knight.

Su Bai wakes up and finds that the world has changed drastically. He realizes he has come to a world of pets. After accepting the new setting, he is determined to become a powerful Pet Tamer.