More than an Overlord type, it reminds me of that guy who got teleported with his whole city with the population and whole army that were there for the anniversary celebration.
Which resulted in the mage and the cleric getting together and planning to kill the hero to tie up loose ends and blame the dragon for treasure pension plans, but the king brought in a lackey who took the non-working pendant that the hero was supposed to wear.
So, Harvest Moon/Story of Seasons house mixed with Stardew Valley start mixed with Rune Factory magic... but the other childhood character is also a girl? Yuri plot?