In the dazzle of Tsubaki, Suzuna begins to indulge in having a lewd night with Tomomi.Koichi, who is about to forget her feelings for Koichi Hayama, is caught up in the plans of Chikako, who has risen from the brink of death. He meets Mizuna, a girl who looks exactly like Suzuna, who is imprisoned in a cave. She learns that Koichi is attracted to Mizuna, and Suzuna once again realizes her feelings for Koichi, and that night she visits Koichi in person. rnrn