The Weakest Summon, The Strongest Power

After transmigrating to a world where humans form pacts with Eidolons, Sam Harper shocks everyone by giving up a top Rank S Sangrifex and choosing a Rank F succubus, Zythra. He chooses her for a reason others can’t see—she has hidden potential to grow immensely powerful. Amid jeers and mockery, Sam stands firm in his choice. Sometimes, the most obvious option isn’t always the best.