According to Neowing, each DVD volume of Hetalia: The Beautiful World
was announced to carry an unaired episode. The first volume will be released on April 24th.
Each volume of the Senran Kagura
Blu-rays will also carry a short OVA. The first episode "Doki Doki Shintai Sokutei" (Body Measurement) will be released on March 27th.
The first Blu-ray volume of Senyuu.
will include the special OVA "Episode 1.1: Yusha Nagurareru. & Nise Panda no Seitai". It will be released on April 24th.
, Amazon Japan
Hetalia: The Beautiful World Specials
, Senran Kagura Specials
, & Senyuu.: Yusha Nagurareru. & Nise Panda no Seitai