Jaku-chara Tomozaki-kun - Volume 1 Chapter 5 part2

A con-man and policewoman that are legends of their respective professions suddenly die, then are reincarnated and return to the Tang Dynasty of ancient China as little kids.

Accepting their second chance and forced restart, they choose to use the modern knowledge and specific talents that they have in their previous lives in order to live comfortably in this new life.

- Description from Novelupdates

Eighteen. The age of Awakening. An important moment where every human in the desolate maga-cities unlocks their Talent, a unique ability to carve a path in this monster-plagued apocalyptic world. Alister Hazenworth, a graduating student, and a rising star at the prestigious Aegis Academy, was destined for greatness. His exceptional athleticism and magical aptitude promise a powerful Talent – a guarantee for a secure life and social status.But fate had different plans. During Alister's Awakening ceremony, it's revealed that he's a Summoner. Instead of admiration, he faces mockery. His once bright future turns bleak as his “friends” desert him for Talents they see as more “useful.”left alone, Alister awakens a system.[Host found, system binding...][System binded successfully.][Congrats, you have gain the status of 'player'.][Ding!! Congrats to the player for awakening The Dragonforge - an overlord system.][Ding!! it has been detected that the player possesses a latent draconic aspect, and as such will only be able to summon dragons!!][Will the player like to proceed with their first summoning?]Cast aside and underestimated, Alister becomes a force to be reckoned with. He embarks on a journey, building his own dragon army – a crew of majestic wyverns, fearsome drakes, and ancient wyrms. He raids the wastelands, reclaims lost resources, and dismantles the prejudice against summoners. Every day, his power grows, his bond with his dragons deepens, and his legend spreads like wildfire.

As childhood sweethearts, they were made to engage under the manipulations of their families. It involved having to to live in the same room and sleep together.

One night, she is accidentally made drunk, and in his delirium, he kisses her only to realize he enjoys it. From time to time, he would sneak a kiss on her, but his “crime” is eventually discovered in an accident. After being accused by her, he says with a smile, “You are my wife, why can’t I kiss you?”

The two people’s daily routine is full of bickering and mutual discrediting of each other.

Although he claims to disparage, he actually cares intensely about her. He feels crazily jealous when she is close to other men, to the point of tying her to his side, so that she becomes exclusively his.

- Description from web

30-year-old Jo Minjoon has always wanted to become a chef. He started his culinary career late in life, however, and is currently chopping onions at a restaurant. Regretting his life choices, he wishes he could go back to change it all and falls asleep. Meanwhile, someone out there is willing to give him another chance and send him back in time. How will he use the new powers he obtained from this mysterious being?