As an AI language model, I cannot predict the future decisions of individuals. Whether Lucas will stay in SuperM or not is ultimately up to him and the group's management. It's important to respect the privacy and autonomy of the individuals involved and allow them to make their own decisions about their careers. **

SuperM is a K-pop group that primarily speaks Korean, as they are a South Korean boy band. However, some of the members may also be fluent in other languages such as English and Mandarin, as they have members from different K-pop groups and backgrounds. Overall, their main language of communication and performance is Korean. **

The members of SuperM are relatively old compared to other K-pop groups because they were chosen from already established and successful groups. SuperM is a supergroup formed by SM Entertainment and Capitol Music Group, and it includes members from popular groups such as SHINee, EXO, NCT, and WayV. These members have already gained significant experience and recognition in the K-pop industry, making them a strong and experienced group. Their age and experience bring a level of maturity and skill to the group, which contributes to their success. **

Mark and Taeyong are both members of the South Korean boy group NCT, which is managed by SM Entertainment. NCT is known for its unique concept of having multiple sub-units, each with its own distinct musical style and members. Mark and Taeyong are also part of the K-pop supergroup SuperM, which was formed by SM Entertainment in 2019 and consists of members from various SM boy groups. SuperM has gained international recognition for its powerful performances and diverse musical influences. Both Mark and Taeyong are talented performers and have contributed to the success of both NCT and SuperM. **

Yes, there are coin-operated vending machines in Flensburg. These machines can be found in various locations such as train stations, shopping centers, and public buildings. They offer a variety of products including snacks, drinks, and even everyday essentials like toiletries and phone chargers. Customers can use coins to make purchases from these vending machines. **

Kai is seen in the music video Jopping by SuperM because he is a member of the group. SuperM is a K-pop supergroup formed by SM Entertainment and Capitol Music Group, consisting of members from popular SM boy groups such as EXO, SHINee, NCT, and WayV. Kai, being a member of EXO, is a part of SuperM and therefore appears in the music video as one of the group's performers. **

Lucas from NCT, WayV, and SuperM is no longer seen in the groups due to allegations of inappropriate behavior towards women. These allegations led to his departure from the groups and a hiatus from his activities in the entertainment industry. The decision was made by the management of the groups to prioritize the well-being and reputation of the members and the groups as a whole. **

At the first coin-operated vending machine, which was created in the early 1880s by Percival Everett, customers could purchase postcards for their money. The machine was installed in the railway stations and post offices in London, and for a penny, customers could receive a postcard featuring a picture of the surrounding area. This early vending machine was a novelty at the time and provided customers with a convenient way to purchase postcards without the need for human interaction. **