The anime takes place on the screw-shaped island country of Nejigajima and follows the two Bokyabots Hebot and the Yurui Prince Nejiru as they collect different Bokya Neji screws. When the Bokyabots wear the Bokya Neji screws on their heads, they're able to compete in Bokya Battles, battles for who can think up and tell the best jokes. (Source: ANN)

Episodes 13-15 of Hetalia World★Stars included in the Blu-ray BOX.

At his father's command, Oguna, the youngest prince of Yamato, sets out to kill Takeru Kawakami, the leader of Kumaso. However, upon arriving in Kumaso territory, he is injured by the stray arrow of a young local woman named Kajika who is hunting game. Eager to compensate for the terrible mistake, she escorts Oguna to her village to treat his wound. But as the two rapidly fall in love, the prince makes a disturbing discovery: Kajika is Takeru's younger sister! Conflicted between his newfound love and family duty, Oguna seeks advice from the Phoenix, a legendary immortal bird that serves as Kumaso's guardian. Compelled to make a decision, will the Yamato prince betray his own for the woman he loves, or will he murder Kajika's brother as commissioned? Inspired by the Yamato Takeru Japanese legend, Hi no Tori: Yamato-hen chronicles the tragic story of an ill-fated couple, showing how true love can conquer hate and adversity even among the greatest of uncertainties.

Upon returning from school one day, Rin Shima encounters an unfamiliar three-wheeled motorcycle parked outside her house. After asking her father about it, she learns that the vehicle is a temporary loaner while her moped undergoes its annual maintenance. With arrangements to go camping at Yatsugatake the next day, Rin has no choice but to utilize the three-wheeler. As she embarks on her trip, Rin's traveling experience soon shifts gears, and she discovers a refined driving performance on new unexplored roads.