Maken-Ki. Special 6.21
Other Name: Maken-ki! Secret Training, Maken-ki!: Doki Doki! Maken-ki! Himitsu no Kunren, マケン姫っ! ドキドキッ!マケン姫っ!秘密の訓練
Summary: The prestigious Asahi Gakuen is an unusual school where classes are conducted using "Maken", which has a mysterious power. Takeshi Oyama, the main character who entered the school flirted with the beautiful girls fighting with "Maken". In addition, Takeru was expecting to live with three beautiful girls, such as her childhood friend Haruko Amaya, her self-proclaimed wife Kushihachi Inaho, and mysterious princess Kodama. Everyday things that are "itata" are more piled up than things that are. Meanwhile, at the recommendation of Harukoi, Takeru decided to join the "Maken-ki!", Which is responsible for resolving accidents and incidents in the school.