The Kaiju's Search

s. 1, ép. 6: A kaiju appeared at a construction site deep in the mountains. Soon after, it suddenly died, but the reason is unknown! Ayumu and her junior team member, Yuta, go to investigate in the mountains. Another kaiju of the same species appears there and chases them until they are completely lost... Then, the kaiju begins to advance toward the city with unstoppable determination. Where is it going, and why?