Koto Ootsuki

Meet Ootsuki Koto, Eiji’s childhood buddy and his unofficial big sister. She's got this playful vibe that makes every day an adventure, always popping up with a teasing grin to mess with Eiji and Nanako. Koto's like the go-to gal for Nanako whenever she’s in need of some sisterly wisdom. When she's not busy being the life of the party, she’s leading the "Modern US Army Combative" club, showcasing her fierce side. With her mischievous spirit and knack for fun, Koto adds a spark to the mix that keeps everyone on their toes and always laughing.