|English||Endless Blue Sky|
|Rōmaji||Mugen ni Tsuzuku Aoi Sora o|
|Release||December 22, 2012|
|Running Time||25 Minutes|
|Episode 11 - Horrific No Ghost Meet Up||Episode 13 - To Where Endings Begin|
- Riki wants Mio to be included among his friends, so he asks her to be the team's manager, which she ultimately accepts after initially thinking they were starting an all-male idol group. After practice, Mio brings everyone hot drinks and they exchanges phone numbers with her. The next day, the Little Busters get together to write tanka poems, but Mio leaves part of the way through. Riki finds her sitting under her usual tree, and after talking for a bit, Riki feels as if Mio wants to disappear. Riki tells Mio that he saw someone who looked like her in town, but she was no carrying he usual parasol. Before leaving, Mio tells him that she plans on submitting a tanka in a competition held at school. The next day, Mio does not show up at school, and Riki overhears his classmates saying they also saw a girl in town who looked similar to Mio. After school, Riki sees the girl standing below in the courtyard.
- Riki asked Mio to be the group's team manager.
- Riki saw someone similar to Mio but had no parasol in the town.
- This episode marks the starting point of Mio's arc.
Episode 14 • Episode 15 • Episode 16 • Episode 17 • Episode 18 • Episode 19 • Episode 20 • Episode 21 • Episode 22 • Episode 23 • Episode 24 • Episode 25 • Episode 26