Forbidden Sibling Bond Sparks Hidden Desires Behind Closed Doors

Akimasa, a high school student, lives with his admired older sister Mao, who appears successful and responsible as an office lady. Beneath her composed exterior, Mao harbors deep, complex feelings for Aki, surpassing his affection for her. As their emotions intertwine, their relationship teeters on the edge of taboo, leaving them to navigate the delicate balance between sibling love and forbidden desires.