There was a duet in the selection of the opera "Five Blessings at the Door." The story took place in a rural area in the middle of Henan Province. It told the story of Yu Xi and his wife's five sons, Dafu, Erfu, Sanfu, Sifu, and Wufu. Although the audience was given some sad and happy scenes, the search results did not mention which parts had duets, so it was impossible to determine.
Oshi no Ko manga hasn't reached its conclusion. It continues to captivate readers with its evolving plot and characters. So, keep an eye out for the latest updates if you're a fan!
Oshi no Ko is indeed a weekly manga. You can expect new chapters to come out every week. However, there might be occasional breaks or delays due to various reasons.