A full-fledged city, complete with residential areas, food and fuel manufacturing plants, entertainment facilities, hospitals, and waste disposal sites. This allows the island's 6,000 inhabitants, including the students of Adhvan Resilience School, to be completely self-sufficient.

An educational institution established by the United Nations Resilience School Organization (UNRSO) in order to address urgent global issues, such as climate change and environmental decay. Its mission is to cultivate the minds of young individuals with specialized knowledge and skills in cutting-edge scientific fields, such as AI and genome science.

The academy operates a full boarding system, with students assigned to one of six dormitories, where they live for all six years of their education. Although located in Japan, only about 30% of the student body is Japanese. The remaining 70% consists of students from around the globe.

A quantum AI that governs the entire school and the city surrounding it. It collects city data and answers any and all questions the students have.

A wireless earpiece that connects to Alaya via brainwave authentication, ensuring only the owner of that specific Manas Helix can use it. It monitors vital signs like brain activity, heart rate, and temperature. It also stores the user's personal data, including the user's RC (Resilience Coin) balance and access codes for dorm rooms.

In addition to those features, it can function as a notebook, a phone, and a messaging app, making it an essential tool for life in Adhvan City. The earpieces come in a wide array of colors and designs, so students are free to pick one that matches their taste and style.

Bizarre monsters that suddenly appeared in Adhvan City. Their strange form seems to be an amalgamation of human, animal, plant, and insect parts.

A mysterious substance that enveloped Adhvan City, physically isolating it and preventing anyone from getting in or out.