I'm a G-Rank Awakener, but My Summoned Beast is Too Strong

"...I demand compensation." "Compensation? What kind?" "A hug. In other words... squeezes." A mysterious "World Clock" suddenly appeared. Every time it opens, a horde of monsters descends upon the town. While Awakeners battle fiercely day after day, the protagonist, Maeda Hagane, lives a corporate-slave life far removed from any battlefield. Then, one morning— "Congratulations." "You have Awakened." Finally, an escape from corporate-slave life! Or so he thought—until the results of the thorough examination came back as the lowest possible rank: "G-Rank." And his skill: the "Descent Arts," purpose unknown. The morning after following the Descent Arts' instructions and performing a baffling ritual—beside Hagane lay a beautiful angel with pure white wings, fast asleep...