Megumi is a popular and attractive high school student who begins dating her classmate, Satoru. During their relationship, Satoru gains the ability to perceive Megumi's private thoughts and unspoken sexual desires. This direct mental link enables him to act instantly upon her intimate impulses, often before she physically expresses them. Megumi reacts with constant astonishment and confusion to Satoru's inexplicable awareness of her hidden urges and fantasies. She cannot comprehend how he anticipates and fulfills her deepest sexual thoughts without any outward sign from her. Their dynamic centers on Satoru utilizing this ability to rapidly escalate their physical relationship, directly responding to Megumi's internal mental landscape.