A detective investigates a series of murders. A possible serial killer might be on a rampage, since the crimes are in the same vicinity, by the same method. However, as evidence points towards the detective, a ghost in red follows him, and he begins questioning his identity. His realization of what seems to be reality results in something far larger and more sinister.

After the Akizuku clan fall in defeat to rival clan Yamana, Princess Yuki and General Rokurota take cover in a hidden fortress, along with their clan and gold treasury. Fortuitously stumbling into the hideaways, brash young miner Takezo and his bumbling sidekick Shinhachi hatch a daring plan to help transport the gold out of enemy terrain – in exchange for a share of the stash, of course. With assassins hot in pursuit, Yuki disguises as a male and ventures into the real world with Rukurota and her peasant companions, getting her first taste of danger, toil, and budding romance with the strong-minded and willful Takezo.

Overcoming many obstacles, Haruto and Aoyama have finally become an item. They affirm their love for each other and agree to leave for faraway lands, but the following morning Aoyama disappears. Where could he have gone!? Before long, Shibahara, a man who claims to know all about Aoyama's situation, appears before Haruto. What secrets has Aoyama been hiding? Haruto returns to the male escort club and meets fellow castrated escort Ruka. In an industry full of temptations, will Haruto be caught up in the danger zone yet again? With the appearance of new characters, what impact do they hold for Haruto and Aoyama’s relationship?

Chiku is a devastated and dangerous town with 5 gangs fighting fiercely. Mugen and the Amamiya Brothers clashed, leading to Mugen disbanding.

Twenty-year-old Kaori, an aspiring accessory designer, spends her days troubled by her mother's violence and excessive meddling. Meanwhile, forty-year-old secretary Kaori, whose daughter is a shut-in, can't stop shoplifting and having casual sex.

Haruto and Aoyama, once a couple, are now completely without contact. As Aoyama's secrets are gradually revealed, Haruto, now the shop manager of an underground escort club, is starting to question whether the man he loves is worth the wait; his feelings for escort Ruka has also evolved from mere compassion into something more. A mystery sex toy links the past and now of Aoyama, Shibahara, Ruka, and Haruto. A sudden murder then happens in 'Rain& Soda' as one of the escorts serves a customer. The murder horrifies the club, and the truth is soon to be brought under the light of this sensual world of sultriness.