These shorts, included in the Blu-ray and DVD releases, take place in a timeline with multiple Umaru-chans.
Ore no Imouto ga Konnani Kawaii Wake ga Nai.
Chuunibyou demo Koi ga Shitai! Ren Specials
Nisekoi:
Kono Subarashii Sekai ni Shukufuku wo!: Kono Subarashii Choker ni Shukufuku wo!
Charlotte: Tsuyoimono-tachi
Chuunibyou demo Koi ga Shitai! Kirameki no... Slapstick Noel
Tamako Market Specials
Love Live! School Idol Project 2nd Season
Aho Girl
Nekopara OVA
Gamers!
K-On!!
Re:Zero kara Hajimeru Break Time
Kono Subarashii Sekai ni Shukufuku wo! 2: Kono Subarashii Geijutsu ni Shukufuku wo!
Ansatsu Kyoushitsu: Jump Festa 2013 Special
Toradora!: SOS! Kuishinbou Banbanzai