Tasty was adapted from the novel series of the same name by the British author, Asimoff. Mike Mao Xiaotong was a character in the novel Tasty. He was a chef who ran a restaurant with the heroine Emily Blunt. The novel did not explicitly state that Mike, Mao Xiaotong, and Emily Blunt ended up together. Instead, it told the story of how they gradually developed feelings for each other.
Langa and Reki do end up together in the manga. It's a satisfying conclusion for fans who have followed their story closely. The plot twists and turns lead to this heartwarming ending where they are united.
In the manga, Ishida and Shoko's relationship develops gradually and eventually they end up together. It's a heartwarming conclusion for their story arc.