When someone says, “I’ll give you a cheat ability, so just use it”, don’t you feel like not using it?
There is nothing more expensive than free stuff.
It’s not cool to get excited about something you got for free.
In a sense, the protagonist is a reincarnation target, but he perseveres while messing with God’s plans.
God makes a mistake in choosing his reincarnation target, and later learns of it.
He later realizes that it’s not like everyone wants to be strong and not everyone wants to make a harem.
And that he has chosen someone who is more attentive than others and is a real pain in the ass…