When transfer student Walnut Sakura joins Aiba Hideo’s “Romance Club,” he’s deflated by her confession, only to learn she lied out of worry for him. After apologizing, they agree on a first date, but the moment they meet, Walnut handcuffs him! How will their unconventional date unfold?

A beautiful girl, Gumomo Hayaka (Koko Kamata), transfers to Class 1C. Hideo Aiba (Shota Takasaki), a high school boy in the same class, falls in love at first sight with this transfer student for the first time in his life. The words that Hideo is confronted with by Huwano are, "Even if we were alone on earth, I would never have sex with Hideo. Hideo is absolutely obedient to Hu-tomo's orders, and he follows her every word with devotion. What is the true meaning of the devilish Hideo? And how will the slightly SM romance between Hideo and Gumomo end?

2015 release

A featherbrained-blunderer and newcomer nurse is May Morimiya (means a girl in sacred woods) but her true character is an agent called the Nurse-Angel who fights against anyone practices ’illegal medical treatment.’ A task of May this time is to infiltrate into the Yamai Hospital(means a illness hospital) and to reveal the illegal medical treatment of Director Yamai and the drug company. Then， several months after she has infiltrated into it， May gets the information from the one of patients， Sara Oishi(means a huge rock on good sands) who has been hospitalized for a long time and knows about the hospital more than May does. However， Sara’s information is wrong but May finally begins to move because she’s sure that there is doubtful motion in the hospital.