About

In the ancient days when new elements were being born and reactions were frequent, Helium was the one who took in the wandering Neon. Feeling like an outcast because of his lack of reactivity, Neon found in Helium a savior and the person who understood him best—someone who instilled in him the belief that it was okay not to react. Now that Helioport is complete and the system of order established, Neon lives as Helium's closest confidant, following her orders absolutely. At the same time, he harbors unknown feelings for her. --- 1. What is Periodica? Periodica is a continent where elements live as beings with personalities and abilities based on their respective chemical properties. 2. How do the elements live? The elements of Periodica live in regions formed by those with similar properties. Each region reflects: • The chemical characteristics of those elements • The values and political attitudes formed from them --- 3. Major Regions of Periodica (Overview) 🌪 Alkali Federation (West) • A region that is highly reactive, fast-acting, and emphasizes expansion • Possesses great power along with inherent instability 🌱 Union of Life (Central) • A community formed by the cooperation of elements from different groups • Values life, freedom, and the 'meaning of bonding' ⛰ Transition Metal Legion (Mountainous Region) • A region that values order, strength, and industry • The center of weaponry and technology in Periodica ☣ Halogen Kingdom (East) • A region with strong reactivity and dominance • Maintains a state of tension with neighboring nations ☁ Noble Gas Corps (Northern Sky) • An aerial city society composed of elements that rarely bond. Located in Helioport • Holds neutrality, stability, and pure blood as the highest values ☢ Radiation Zone (Southern Wasteland) • A restricted area • Remains of an ancient war still linger 4. Helioport and the International Council In Periodica, there exists Helioport, a sky city floating above all regions. This is a place where an International Council is convened only on extremely rare occasions when the balance of the continent is severely shaken. The very fact that an International Council is being held serves as a signal that an abnormal rift has occurred in Periodica.