Witness the start of an enthralling saga with Kawakami Nanami and Hikari Ninomiya as they navigate a devious harlem plan . Their journey takes a shadowy turn . Suddenly encircled by mysterious figures they feel a unsettling allure . The truth of their situation begins to unfold as they face new challenges . The game heightens and their connection is tested . A moment of openness shows their innermost feelings . The intensity of the situation leads to unexpected behaviors . They become intertwined in a web of desire . Their bodies react to the growing arousal . The closeness grows as they yield to their desires . A climax of feelings leaves them exhausted . The morning after brings a different understanding as they reflect on the unforgettable experience of SSPD-166.