Maken-ki! It`s Summer! It`s Swimsuits! It`s Training Camp!

Maken-ki! It's Summer! It's Swimsuits! It's Training Camp! is the first OVA of the Maken-ki! series, also known as the 13th animated episode. The story follows the members of Tenbi Academy as they head to a summer training camp on a southern island after the first semester. While they initially intend to relax at the beach, the protagonist, Takeru Oyama, is forced into rigorous training to better control his 'Maken.' During their stay, they not only face Takeru's personal training but also various monsters created by Otohime Yamato. The plot also includes comedic situations in their private condo, such as Takeru and Kengo being turned into women. This OVA emphasizes the characters in swimsuits, blending training, combat, and comedy for an enjoyable viewing experience. It was included with the limited edition of the eighth volume of the Maken-ki! manga.