In DC/Young Justice with the Omnitrix/Ultimatrix and a Chat Group - Chapter 13: I see... I know where I am now.

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.

Enigmatic hands, spectral frame, and one cunning strike just like the swing of the Grim Reaper. The Supreme Assassin takes on the mystical world, and how his legendary tales sets off, progressively ascending the altar to becoming the best.

- Description from Novelupdates

After three years of struggling in the big city, Chu Zhishui finally managed to save enough money to buy a home. However, she discovered that she was the only human in her new workplace?Chu Zhishui: Are even supernatural creatures seeking stable jobs with iron rice bowls now?–In the office, Chu Zhishui gradually adapted to working at the supernatural bureau. Despite her diligence and dedication, she couldn’t escape the gossip and social niceties of a small town, facing the enthusiastic attention of the matchmaking department head.Supernatural Department Head: “Little Chu, you’re doing so well at work. Have you considered settling down and starting a family? Let me set you up with someone. Do you have any requirements?”Chu Zhishui silently recited the mantra of singlehood in her mind, but not wanting to dampen the mood, she decided to be deliberately demanding: “I don’t ask for much in a partner. Just someone good-looking, filial to my parents, capable of doing housework, and able to earn money to support the family…”The supernatural department head replied readily: “Great, I’ll find someone for you!”Chu Zhishui steeled herself and added with gritted teeth: “…and they must be able to bear children!”Just as she thought the department head would give up, the other party had a sudden realization: “The one in your office can bear children! Why don’t you just admit you like him?”Chu Zhishui: ???–Chu Zhishui: I thought I could slack off at my job in the supernatural bureau, but it turns out that was just wishful thinking.

On the surface, he is the aloof and standoffish patriot whose sole purpose is to serve the nation. On the darker side, he is an invincible, powerful and mysterious man.

A war veteran and an anime fan as well, he got into anime by watching it with his grandson after his retirement, his grandson loved pokemon and so did he also came to like this world of pokemon where people didn't kill each other and people used to have fun with there pokemon, after watching Pokemon with his grandson and playing with him all day he got back his childhood which he could never experience due to the cruel war, and as of now our MC has turned 82 years old he was very satisfied with his life with no regrets and waiting for death to take him away but will death be is end or will it start a new beginning, a new legend.