Zennou no Noa - The World of Lost Memories

In the year 2038, a catastrophic event known as the "White Light Incident" occurred, erasing the memories of over one million people. The government established a separate city beneath Tokyo to house and care for the victims, branding them as "KIDz." Noa Ikurumi, a young resident of this isolated society, struggles to cope with his lost identity and yearns to reintegrate into the outside world. However, his life takes a drastic turn when he is taken hostage by a terrorist with a shocking revelation that challenges everything Noa thought he knew about himself.