Well, 'My Husband in Name Only Novel' might be unique in its own way, but there are novels with related concepts. For example, 'A Pretend Marriage' which explores the idea of a couple being married just for appearance or some external reasons at the start. Also, 'The Marriage Contract' has a plot where the marriage is more of a formality initially and then things start to change. There's also 'The Sham Marriage' which is about a marriage that has more to it than just the name.
Well, 'The Arranged Marriage' has some parallels. In this book, just like in 'husband in name only novel', the marriage is more of a formality or a result of certain circumstances rather than a union based on deep emotional connection. Also, 'A Marriage on Paper' might be a good read as it delves into the idea of a marriage that exists mainly in name.
One similar novel could be 'The Secret Husband'. It also has elements of mystery surrounding the male lead.
Some Chinese reading platforms might have this novel too. For example, QQ Reading. It has a large collection of Chinese novels, and if it's popular enough, it might be found there. You may need to use some translation tools if your Chinese is not proficient.
One similar novel could be 'A Sky Full of Stars' which also has a theme of someone being very special to the protagonist, like a star in their life. Another is 'The Shining Star of Love' where the relationship between the main characters is as bright and important as a star.
One similar novel could be 'The Ruthless CEO's Contract Wife'. It also has elements of a somewhat complex relationship between the main characters at the start, much like in 'My Mysterious Husband Is So Bad Novel'.
One similar novel could be 'Forever Yours'. It also focuses on deep, long - lasting love. Another might be 'Love Beyond Time' which has a theme of undying love.
One similar web novel could be 'My Beloved CEO Husband'. It also has elements of a romantic relationship with a male lead in a somewhat unique situation.
One similar light novel could be 'My Next Life as a Villainess: All Routes Lead to Doom!'. It also has elements of unique character relationships and interesting plot twists. Another one is 'Kiss Him, Not Me', which shares the aspect of dealing with complex feelings towards a particular character.
Well, in 'My Husband in Name Only Novel', a significant theme is that of social expectations. Society expects them to be a normal married couple, but they know it's just in name. This creates a tension. Another theme is the power dynamics within the relationship. Who has more say or control in this marriage that is not based on true love? And finally, the theme of redemption. Maybe they can turn this name - only marriage into a real and loving one, which would be a form of redemption for their false start.
One popular 'my husband' novel could be 'My Husband's Secret'. It's a story full of mystery and family drama. The plot often revolves around the secrets that the husband is keeping and how it impacts the relationship with his wife and the family as a whole.