A female student, Amaari Luna, gets off at the station nearest to her home, and is attacked by a suspicious man, Murakami Kazuya...
With her weakness exposed, Luna has no choice but to comply with Murakami's demands, and is eventually forced to take part in the evil men's plan.
And when she is brought to the place where she finds Hikari, who is offering her services,
女学生・海士有ルナも、自宅最寄り駅で下車したところ、怪しげな男、村上和也に襲われてしまった…。
弱味を握られたルナは言われるまま、村上の要求に従う他なく、ついに悪質な男たちの計画に参加させられる。
そして、連れてこられた先には奉仕するヒカリの姿もあった。
