"Food Wars: Shokugeki No Soma" Season 3 spoilers will reveal why Nakiri Erina has a photo of Yukihira Soma's father - Joichiro.
According to the manga, Erina and Joichiro made contact when she was young when Senzaemon invited Joichiro to the Nakiri mansion. It will be revealed that Joichiro inspired Erina to be a chef. When she was young, Erina is not fond of cooking, despite having the gift of "God Tongue".
However, after tasting Joichiro's dishes, Erina was inspired and asked Joichiro to taste her cooking. Joichiro promised to do so if Erina will become a great chef. That is why Erina decided to learn how to cook and entered Totsuki Academy.
This will answer why Erina has a photo of Joichiro and has great respect to Soma's father. Erina once said that she wanted to taste Joichiro's dishes again. In Season 3, Erina will finally know that Soma is Joichiro's son. This fact will shock Erina as she does not want to accept Soma's cooking style. This has become Soma's mission to make Erina say that his dishes are delicious.
The second season of the beloved food anime concluded at the end of Stagiaire arc. The first year students of Totsuki academy are back in school. The new arc will explore the next stage of what will happen to aspiring chefs.
It is unknown how many episodes that the Season 3 will have, but it is rumored that the third season will have around 12 episodes that are currently in the works. This is mainly because the anime caught up with the manga. No official air date has been announced yet. "Food Wars: Shokugeki No Souma" Season 3 will air in 2017, but no official air date has been announced yet.
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