After school, Kotaro Nakayama revisits the empty classroom to retrieve something, only to stumble upon Shiho Shimotsuki dozing off. Known as the rumored favorite of Ryoma Ryuzaki, a charismatic student with a group of admirers, Shiho remains aloof and indifferent, never displaying a smile. However, an unexpected encounter unfolds as Shiho's delicate hand unexpectedly clasps Kotaro's, sparking the inception of a clandestine bond between the stunning heroine and an ordinary student.