Boy Reincarnated With A Smartphone And The Ability To Summon The Strongest Heroes From Other Worlds

What will I do if I find myself in the world of immortal perfection, where only strength is respected, while I am considered incompetent?! But I'm not incompetent! With a left hook and ten draws in a row, I will challenge the heavens and change my fate!..
With the help of a Valkyrie Girl of the USSR rank with white hair, long legs and a cold temperament, as well as thanks... To a resilient female knight, a small but loyal member of the team with a slightly less outstanding appearance and smaller stature, but still possessing limitless potential - I will ascend to the top of this world!