Stand-in Exit, Tycoon Boss Anxious Crazy - Chapter 80 – Would you marry me?

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.

In the rural northeastern mountainous regions stands a tiny Buddhist temple, named One Finger Temple. It isn’t a large one but it is extremely miraculous.

The temple has rice that emanates an aromatic fragrance.

The temple has sweet and refreshing water that rivals ambrosia.

The temple has Buddhas that grant wishes to the sincere.

The temple isn’t large but it has everything. The temple isn’t large but it has flourishing incense offerings that far exceed all temples. The temple isn’t large but it attracts both citizens and foreigners that line up overnight…

The temple has a bald but handsome monk. Every day, he would bawl, “I want to renounce asceticism! I want to marry a chick that’s not too pretty, have a cute baby, and lead a stable life!”

After breaking up with his girlfriend, he accidentally acquired a genius system and rose from there against the heavens, becoming invincible..

- Description from Novelupdates

Eren Idril died as an old, decrepit, and piss-poor adventurer by the maws of a D-Rank monster. He had a lot of unfulfilled dreams and desires that couldn't see the light of the day after the light in his own eyes died down.

But fortunately for him and unfortunately for the world, that wasn't his end. Eren was somehow dived back in time when he was a mere teen, attending Lionheart Academy for adventurers.

When life gives him a second chance, Eren decides to exploit it to its fullest. Experience his vile deeds as he partakes in them without feeling the slightest bit of hesitation.