An early look has shown that along with the promo art, Vol. 0 will collect omake bonus content, amusing fans with not-exactly-canon gags like Seishiro END and Marika END.
Issue 4 of Shonen Jump Giga features “Toki Doki,” a 50-page one shot from Nisekoi author Naoshi Komi, and “Replay Bowl,” a one shot by Taishi Tsutsui, author of the similarly concluded Magical Pâtissière Kosaki-chan, and “Nisekoi Volume 0,” a collection of scripts, production art, bonus illustrations and the like.