Boku no Imouto wa "Osaka Okan"

Comical adventure story starring Kasukabe Defense Forces and dealing with "food" as theme. Kasukabe Defense Forces (Shinnosuke and his mates: Kazama-kun, Nene-chan, Masao-kun and Bo-chan) decide to attend "B-class Gourmet Carnival", a big event in Kasukabe, without their parents, to eat very tasty yakisoba sauce cooked by "Sauce's Ken". On the way, a mystery woman asks them to bring a legendary sauce to Sauce's Ken. They head to the event site with the sauce, but they wander off into a mountain, and "A-class Gourmet Organization", an organization plotting to eliminate B-class gourmet, seeks to take the sauce away from them. (Source: Manabu Tsuribe)

Nagomu Irino returns to his Kyoto home for the first time in ten years when his father is hospitalized. Nagomu is eager to take over Ryokushou, the family's Japanese sweet shop, but he's instead asked to be a father figure to Itsuka Yukihira, the girl everyone calls the successor. (Source: Manga Translation Battle)