Black Summoner (Kuro no Shoukanshi), is an isekai anime that has an OP protagonist who begins his new life after resurrection by a female goddess. Before he could begin his new life he had to set certain details in order. The prep phase was in the format of a video game where you have only so many points to spend in order to have certain attributes or specialize in certain skills. The protagonist, so he could be far above average gave up memories of his previous life so that he coud have max level of skills in his chosen occupation.
It turns out that this loss of memory (so far) is not... read the rest.