The protagonist, Tsumugu, had an older stepsister, Tsumugu Nozomi, who loved him dearly.
Tsumugu thought that Nozomi couldn’t let go of the idea of him as a younger brother, but little did he know that Nozomi had a stronger brother complex than he imagined. Nozomi dreamed of a future where they could be happy together.
However, when faced with the barrier of…