Tetsuwan Tantei Robotack and Kabutack: The Great Strange Country Adventure is a special crossover that places the cast of Robotack and Kabutack in the fictional country of Tetsuwan in Wonder World

The story of the relationship between a college student whose relationship with her boyfriend is going nowhere and a bisexual medical artist who makes prosthetic body parts. Haru is a college student ignored by her boyfriend yet believes she is still in love with him. One day at a café, Haru meets Riko, a medical artist (prosthetist) who creates body parts in order to disguise clients’ missing pieces, lost due to accident or disease. Both were alone, but struck up an immediate friendship and closeness. Riko doesn't care about gender when it comes to relationships, and believes that love itself is the most important thing a human can achieve. Haru struggles in her life between friendship and a deeper relationship with Riko.

A yakuza's woman got in a car with Ida, a salesman who has no choice!