Well, without more details about 'The First Commandment BL Novel', it's a bit hard to give exact similar ones. However, 'Yuri!!! on Ice' (although it's more of an anime with strong BL undertones) inspired a lot of BL - like fanfiction. Also, 'No. 6' is a great dystopian BL - ish story that might be of interest if you like complex world - building and relationships.
One similar BL novel could be 'Love by Chance'. It also has a complex relationship web among the characters and explores themes of young love and self - discovery.
Yes, I am. Chinese BL novels often have unique storylines and character relationships that are very appealing. The cultural background and writing styles add a special charm.
Well, I am addicted. The beautiful art, diverse plotlines, and the exploration of emotions in BL manga make it hard for me to resist. Also, it offers a unique perspective on relationships that I find fascinating.
One 'One Beside You' ghost story could be about a person who always feels a cold presence at night while sleeping. They hear faint whispers that seem to be right beside their ear, but when they turn on the light, there's nothing there. It turns out, according to the story, that the house was built on an old burial ground.
One similar BL novel could be 'Given'. It has a great story about music and the relationship between the main characters that develops in a very heartwarming way.