Well, that's a tricky question. It might be possible if the storyline allows for it or if there are no more obstacles preventing you from doing so. But you'd need to look at the details of the manhwa to be sure.
The cast list of Big River included Wang Kai, Yang Shuo, Dong Zijian, Tong Yao, Yang Lixin, and other leading actors. Among them, Wang Kai played Song Yunhui, Yang Shuo played Lei Dongbao, Dong Zijian played Yang Xun, Tong Yao played Song Yunping, and Yang Lixin played Secretary Shui. These actors played an important role in the TV series.
"Between Flowers (Up and Down)" was a literary book. The author was Lan Sisi, and it was published by the Popular Literature and Art Press. The book was priced at 39.00 yuan. In the story, the male protagonist hated the female protagonist because he had fallen in love but she did not know it. The female protagonist hated the male protagonist because she was afraid of falling in love and could not extricate herself. The Douban rating for this book was 7.4. Other than that, there was no other information about "Flowering Room (Part Two)", such as book reviews and trial reading content, in the search results provided.
Well, it often depends on the specific circumstances and the characters' personalities. Maybe have an honest and calm conversation to explain your feelings clearly.
Up and down is an idiom. Shangxia was a Chinese idiom. Its Pinyin was shàngshàngxiàxiài, which meant going up and down, superior and subordinate, and generally referred to the whole unit. It came from the Qing Dynasty writer Cao Xueqin's 'Dream of the Red Chamber'.