Having narrowly avoided the collision with the asteroid, the Sidonia sets a course for the Lem system in order to wipe out the Gauna nest.

This episode takes place before the actual planning of the School Fair and shows how the girls spend their summer holidays.

Himawari Hinata recently transfered to Shinobi Gakuen to train to become the best kunoichi she can be. She wanted to be a ninja ever since she was saved by one when she was little. On her first day, she meets Hayato Madenokoji (a new transfer teacher) who saves her life. Hayato does not possess any ninja skills or traits, he is teaching the ninjas about normal society to pay off his debt. However, Himawari notices that Hayato bares the same mark on his neck as the ninja who saved her when she was young.

In Kyoto, apprentices known as maiko are skilled performers of traditional dance and song. It is said their elegance and grace leaves any audience entranced. Mai Ichinose, Riko Kikuzuki, and Midori Aikawa are young girls who aspire to become maiko. They reside together in a geisha house to polish and perfect their skills, developing bonds of trust and supporting each other. However, their shared dream may prove disastrous for their friendship... When they learn about an upcoming festival, they cannot help but get excited. But soon they realize only two maiko can represent each house. It is then that the three close friends become distant, seeking to prove who is most deserving of the role. Ultimately, they must choose between fulfilling their own dream—finally within reach—or keeping their treasured friendship alive.