* [[HeyItsThatVoice Hey, It's That Voice!]] -- YokoHikasa and SatomiSato play [[Manga/KOn another set of classmates with opposite personalities]].
** SayuriYahagi plays Suzu Hagimura.
** SatomiArai plays Ranko Hata.
*** It's pretty hard not to notice that she introduces herself (and somewhat acts) just like [[ToAruMajutsuNoIndex Kuroko]].
** Hey guys, it's [[LightNovel/HaruhiSuzumiya Tani]][[MinoruShiraishi guchi]] with blue spiky hair and glasses!
** Mutsumi's seiyuu is ChiakiOmigawa, the very distinctive voice of [[Manga/SoulEater Maka Albarn]], SoredemoMachiWaMawatteiru.
** ''NyanKoi'''s [[ShintaroAsanuma Junpei Kosaka]] and [[YuuKobayashi Nagi Ichinose]] get to keep their roles!
*** Takatoshi's voice is also [[DaCapoII Sakurai Yoshiyuki]]'s.
*** Yokoshima-sensei's voice is also [[SoraNoWoto Rio]]'s.
** Kaede Igarashi is played by EmiriKatou.
Watch Takatoshi drag Shino all the way back to ''SeitokaiYakuindomo'' before she puts her mind into the gutter.