Type: Special
Plot Summary: Short specials included on the BD/DVD volumes of "Sekai de Ichiban Tsuyoku Naritai!"
Genre: Action , Ecchi , Sports
Released: 2013
Status: Completed
Other name: 世界でいちばん強くなりたい!
Episode 3
Episode 1
Episode 10
Episode 2
Episode 4
Episode 12
Episode 14
Episode 137
Episode 8
Episode 11
Episode 9
Episode 112
Episode 6