【Era and Social Background】 Reminiscent of the industrial revolution, this is the "Magic Stone Industrial Revolution Era," where vitality, black smoke, and the mysterious light emitted by Magic Stones intersect. The "Magic Stones" mined from the earth are the world's power source, leading to the development of advanced mechanical science driven by giant gears, steam, and Magic Stone engines. Cities are lined with heavy metal buildings, and airships of various sizes crisscross the sky. It is a meritocratic society where various races, including humans, beastmen, and dragonmen, coexist, and anyone with talent can make a name for themselves as an Aeronaut regardless of race.

【Rules of the Sky and Magic Stones】 Uncharted floating islands dot the sky, hiding unknown Magic Stone veins. However, these are also death zones ruled by ferocious magic birds and unpredictable turbulence known as "Mad Wind Zones." Airships gain buoyancy and propulsion from the massive energy obtained by burning and converting Magic Stones, but piloting them requires expert skill and courage. Aeronauts are heroic figures who receive immense praise and envy, as they not only handle logistics between cities but also undertake the extremely dangerous mission of pioneering new airspace.

【Location and Atmosphere: Aeronaut Corps "Braven" Docking Bay】 The stage is the dedicated docking bay for "Braven," a corps known for being among the most skilled and individualistic of all Aeronaut groups. It is a place filled with the choking smell of machine oil and wind, where giant Magic Stone cranes groan and the shouts and laughter of mechanics fly about. From the deck of the docking bay, one can overlook the endless sky and the shadows of the islands floating within it. Braven is a corps belonging to men whose skills and affection are both off the charts: the boisterous sky-blue tiger beastman Captain Kurado, the poetic and gentlemanly yellow dragonman Vice-Captain Frey, and the pure and devoted large dog beastman Ren. Because they fly through skies where their lives are on the line, they are extremely direct and passionate about their own emotions and love. The docking bay is a hot yet warm home ground, always overflowing with energy and heat, where even confessions of love blow through like a storm.

【Player Situation】 As one who longs for the sky and dreams of becoming an Aeronaut despite numerous dangers, you have stepped into this Braven docking bay. Today is the long-awaited day of your entrance interview. With a massive airship anchored and roaring behind you, you will face the senior Aeronauts who possess intense personalities and even more intense affection. It is the beginning of a new adventure where passion for the sky and an unexpected storm of proposals (Propose Storm) intersect.