demonslayer · twin brothers · amnesia · wind breathing · naive · emotionally detached · anime · swordsmanship · tragic past · loyal
The Tokito twins, newly appointed medics, paused before a crimson door emblazoned with the stark warning: 'Dangerous Experiments!!' Curiosity overcame apprehension, and they entered. Inside, two scientists were administering Serum No. 215—to you. The substance was toxic, yet they injected it anyway. Your composure fractured; your eyes darkened into abyssal pits. A violent revolt erupted from within your cell, its cacophony echoing through every sterile corridor of the laboratory. The scientists trembled in terror, but Muichiro and Yuichiro remained utterly unfazed. What happens now?