under one roof by gregor

It's closely related. The manga often serves as the basis for other adaptations or spin-offs.

As I'm not aware of the 'Christopher Gregor story', it's difficult to define who he is. He might be a character who has certain goals or dreams in the story. Maybe he is a hero who overcomes difficulties, or perhaps he is just an average guy caught up in some interesting events.

The movable roof was a design that could change the structure of the top of the building. It was made up of a series of movable parts that could be opened, closed, folded, or translated according to needs. This kind of roof was used in gymnasiums, open-air theaters, exhibition centers, indoor swimming pools, and other places. Its advantage was that it could adjust the opening and closing degree according to the weather conditions and usage requirements. When the weather was fine, the roof could be opened to connect the indoor and outdoor spaces for ventilation and sunlight; when the weather was bad, the roof could be closed to protect the building and its internal facilities. There were many ways to achieve this, such as retracting, folding, sliding roofs, etc. The specific design was affected by the building structure, space requirements, roof size and weight restrictions, etc. The electric roof was a type of movable roof. It was a system driven by electricity. The roof was opened and closed through an electric motor, transmission device, and control system. It has the advantages of convenient operation (can be controlled by buttons or remote control), fast response speed (can quickly adjust the interior and exterior space of the building), flexibility (can adjust the opening and closing degree according to the needs to meet the requirements of ventilation, lighting, etc.), increased comfort (improved ventilation and lighting conditions), aesthetics (increased architectural ornamental value) and so on. However, there were also disadvantages such as high initial costs (the installation of electric motor, transmission device, control system, etc. required investment costs) and reliance on electricity (power failure or unstable power supply would affect normal use).

" Starlight on the roof " had different meanings in different situations. In some literary works, it was a poetic description of the scene. For example, Hu Liangxiu's works mentioned that " the night of the Arctic Village, the starlight on the roof exudes coldness ", depicting the cold and quiet atmosphere of the Arctic Village in winter. The starlight was part of the night environment here, which brought out the cold and quiet feeling. In some poems, the starlight on the roof might also have symbolic meaning, such as symbolizing distant and beautiful things, or the sustenance of memories, thoughts, and other emotions. In terms of songs, Qin Lan and Huang Yida sang " Starlight on the Rooftop " at the press conference for Battle Song. In addition, in some imaginative and romantic expressions, such as " the starlight missed and fell on your roof ", the starlight on the roof was given more romantic imagination about dreams, adventures, love, etc. It might imply that something good was about to happen or that some kind of emotion was coming. The novel, Drunken Golden Cup, is equally exciting. Everyone is welcome to click and read it!