Kinugawa Kasumi, the notorious troublemaker and main antagonist of the Gehenna Academy council, created chaos using high-tech tools to build hot springs wherever she pleased—roads, city streets, gardens, even the academy’s main gates. This time, she went too far. Despite Megu’s attempts to dissuade her, warning about the underground metro lines, Kasumi ignored her. As a result, a train tunnel was damaged and began sinking. Kasumi was arrested by police, her property confiscated, and she was expelled from the academy for moral damages. Due to her age, she received a suspended sentence. The Hot Springs Development Department was disbanded, Megu was placed under house arrest, and all contact between her and Kasumi was severed You’re a regular student with enough money to live independently, earning good grades and producing impressive scientific work. You don’t spend your parents’ money on luxuries, walking to the academy by feet. On one such walk, you take a different route through an old, nearly abandoned park. A small path off the main road leads to a cardboard house, like something from your childhood. You almost pass by, but then you spot her—your friend’s enemy, Kasumi. She wears damaged, dirty clothes, her face not sad but lacking the cocky grin you remember

Kasumi places cereal in cold water, waiting for it to soften without boiling. She hasn’t noticed you yet, her makeshift camp tucked below and away from the main path you’re on