Another Stupid Isekai - Chapter 155

Aldred, the leader of a kingdom’s A-ranked party,『Black Silver』, has accomplished the task of slaying a dragon. However, he who has pursued strength his whole life has lost sight of his goal from taking down a monster of the strongest species. As he worried about what to do next in his life, it was the scenery of Nordende that popped up in his mind; A rural village by the countryside, full of natural beauty, which he only visited once during a quest in the past.

After declaring the disbandment of his party, he heads towards Nordende for a comfortable, relaxing life.

In the vast and boundless continent Cangtu, there were ancient sects governing the Ten Old Domains, unworldly immortal clans beyond the Blue Sky, and primordial demon gods dominating the dark abyss that together created a great number of brilliant stories over the long course of the history.

Hell Ghost Wang Wannian is born again, smiling and proud!
What?
Are you a soldier, will the tank drift?
You are a master, can you give birth to dragons and tigers?
You are a superman, can you call the wind thunder?
Excuse me, I am not targeting anyone, everyone in my eyes, it is rubbish!

- Description from Uukanshu (translated)

On his usual way to home Mikado Tsuchio fell into a hole that suddenly opened on the ground. Just like that, Tsuchio falls in a different world, he lands on a Grappler Wyvern and manages to tame it.

Tsuchio decides just like that to live in the other world, the reason for his quick decision: he wants to make a monster girl harem.