The Mimosa Confessions (Light Novel) Vol. 4

"Promise me you'll always be a good older brother to her, okay?"Misao Tsukinoki clung to these words from her late mother, looking to her older sibling as a guiding light. But when she came home that fateful day to find Ushio wearing her school uniform, her respect and adoration instantly turned to scorn and disbelief. Why was Ushio suddenly dressing like this? When did the changes start? Or had the person she thought of as a brother been someone different all along? Desperate and in need o...