Kimama ni Tokyo Survive

Story:

In the center of the retail district, a monster suddenly materializes and attacks white-collar worker Gotou Shizuka. She hears a voice ring in her head just before she succumbs to her injuries. "You have lost the battle. starting the countdown to the end." She nearly escapes death thanks to the advice of the "Night Guide (Guidance)," and she awakens with a talent that most people do not have. At the same time, this world and another one joined, and monsters started to emerge. Gotou decides to engage these beasts in combat. She plunges headfirst into the fray while leveling up and forging weapons because of her upbeat personality and brazen attitude.