I Can't Believe I Became Ultraseven

After an inexplicable dream, Lin Mo, an ordinary corporate drone, discovers a strange pair of red glasses beside his pillow. Before he can figure out what’s going on, terrifying monsters descend on the city, turning the world he knows into a sea of flames. In the moment of crisis, he puts on the glasses and transforms into the legendary red giant, Ultraseven. With the three-minute transformation limit hanging over him like a sword, and an ordinary life tangled up with the responsibility of protecting Earth, what will Lin Mo choose? Can he uncover the secret behind his transformation, and the truth behind the successive waves of alien invaders?