[Nokishiki-BOX (Kishikino)] The Story of How I Had a Diligent Girlfriend but Was Stolen by My Slutty Big-Boobed Classmate [Panatical]

A diligent girl's seemingly perfect life takes an unexpected turn when her classmate's bold advances threaten the status quo. While a quiet boy struggles with his thoughts in the library, a stunning classmate with a provocative attitude makes her move, testing the boundaries of their relationship. As tension builds between temptation and loyalty, a hidden side of the classroom's most studious girl begins to emerge, leaving her partner to wonder if her flirtatious behavior is merely a game or a sign of something much more intense.