he just fixes "bugs" so it's normal
'Maybe… because this is a realistic world, I shouldn't use my knowledge of novels to speculate about everything that's going on.'
Fantasy · HikaruKiki
the author foreshadowed this. in a previous chapter they said that the legendary essence was snatched by the other chamber of commerce.
He was looking forward to what kind of surprise Unique Treasure Hall would bring him. Could he gather all the materials needed to refine a Divine weapon, especially the most precious Legendary Essence?
Fantasy · Absolute World's Best Sword
and the Phoenix empress is his step mother from the bug world
ch 61 Finally... you have appeared
The supporting character's harem is very normal
Fantasy · HikaruKiki