The meaning of not reaching the Heavenly Abyss was that the difference was extremely great. It was no different from going from the sky to the bottom of a deep pool. This idiom was used to describe the huge gap between the two. Its synonym was the difference between heaven and earth, and its antonymy was equal. This idiom came from the Qing Dynasty writer Li Yu's "The Fourth Bin Bai" article.
I can't provide the full text of Marriage Without My Control 2 because I haven't heard of this novel. However, I can provide you with answers to other types of novels. For example, which novel do you want to know the full text or the additional chapters? I can try my best to provide you with relevant information.
It contributes by expanding the world - view. The 'Made in Abyss' series has a vast and complex world, and 'Old Stories' can show different aspects of it. It can introduce new characters or events that are related to the main story, thus enriching the overall narrative. It might also give a better understanding of the history of the Abyss, which is crucial for a full appreciation of the main series.
The answer is yes. Made in Abyss began as a novel. This original form allowed the creator to lay out the core ideas and storylines that were later brought to life in other visual and narrative formats.
The Made in Abyss manga is on hiatus for now. Maybe the author needs time to flesh out the story or there could be other behind-the-scenes factors affecting the schedule.