Spin-off of Baka to Test to Shoukanjuu that has been serialized on Famitsu Comic Clear website since 2010. These specials are included in the Baka to Test Ni! BD/DVD releases.

Miya Tachibana, assuming her annoying brother Junichi will be unlucky in love and alone forever, decides to spy on him at school after hearing that some of her friends find him to be kind and caring. Through her spying, she learns that he gets along well with girls at school, which results in an even bigger misunderstanding, as Miya wrongfully assumes he likes men since he doesn't have a girlfriend. However, after she herself rejects a boy, Miya starts questioning how she views Junichi as she is reminded of Junichi's similar experience from two years earlier. [Written by MAL Rewrite]

Episode 0, consisting of two subepisodes: "Sekirei Shindan" (鶺鴒診断) and "Sekirei Yoka" (鶺鴒余暇), of Sekirei: Pure Engagement included on the first DVD/BD volume.

In an alternate reality world that resembles Edo Period Japan, Luffy acts as a member of the police. This is made up of two adventures: in the first, Buggy makes trouble in the town; in the second, a mysterious girl named Vivi appears (aired after Episode 253). This special contains several cameos from characters throughout the entire series. A second pair of episodes were aired after episode 290, continuing this story, as part of the New Year's special.