Maken-Ki! Two

Synopsis

When Aki receives a call from her mother attempting another arranged marriage, a flustered Aki lies about having a boyfriend already, and she consequently has to send a picture of the boyfriend to her mother as proof. Takeru arrives at the school infirmary after getting hurt in Element practice, and Aki takes a picture with him to send to her mother. They both wake up inside a log cabin on an island handcuffed together with a restraint Element as a so-called gift by Aki's mother. She left a handwritten letter telling them that they have to endure all aspects of life for two days until a boat comes and picks them up. The two get rather close to each other, with the handcuffs forcing them to eat, bathe and sleep together. The next day, Takeru and Aki venture outside but seek shade under a tree when it starts to rain. When Takeru and Aki almost kiss, they are interrupted by Haruko and Kodama, who begin to question their motive. When Takeru tries to explain about the handcuffs, they suddenly vanish, making the situation look grim for him. Aki is later content with her short experience of having a boyfriend.

(Source: Wikipedia)