The original novel was included as a special edition bonus with the Japanese Bluray release of the Re:ZERO -Starting Life in Another World- TV series.
Set before the events of the Re:ZERO -Starting Life in Another World- TV series, “Frozen Bonds” explores the first meeting between Emilia and Puck.
Re:ZERO -Starting Life in Another World- Hyouketsu no Kizuna is directed by Kenichi Kawamura and Masaharu Watanabe and features animation production by White Fox.