The unique premise of the story makes it stand out. A skeleton knight in an isekai world is not a common trope, which immediately grabs the reader's attention.
Well, 'Re:Zero − Starting Life in Another World' has some similarities. It's set in an isekai world where the main character has to face various challenges and difficulties, just like in 'gaikotsu kishi sama tadaima isekai'. Also, 'That Time I Got Reincarnated as a Slime' can be considered similar as it has an interesting take on the isekai concept with a unique protagonist.
It's about a knight. But without reading it thoroughly, it's hard to give more details. Usually, such light novels involve elements like adventure, magic, and character development.
I'm sorry, I haven't read this light novel in detail. But generally, 'isekai' novels often involve a character being transported to another world. Maybe in this one, the 'maou sama' becomes a 'yuusha' which is quite an interesting concept. It might have unique plot twists and character developments related to the transformation from a demon lord - like figure to a hero.
Well, without having read the actual 'tadaima okaeri fanfic', it's hard to say precisely. It might center around the emotions and interactions that happen when someone returns home in the context of the fanfic's story world. It could be a slice - of - life type of fanfic focusing on the domestic and personal relationships of the characters related to the homecoming.
Well, without more context, it's hard to say precisely. 'Gaikotsu' light novels could cover a wide range of themes. It could be a horror - themed one where the bones play a creepy role, like a haunted place full of bones. Or it could be an adventure story where the discovery of some strange bones sets off a series of events that lead the characters on a journey.
Well, 'tadaima okaeri' is a common Japanese phrase often used when someone comes home. Fanfiction related to it could be stories that incorporate this concept in various ways. Maybe it's about characters coming home to their loved ones, or the emotions and situations that occur during a homecoming. It could also be set in different fictional universes where this simple phrase takes on new meanings.
Since we have no information about the 'tadaima okaeri fanfic' other than its title, it's difficult to determine the main characters. They could be everyday people in a normal world setting, with the story revolving around their daily comings and goings and the 'tadaima okaeri' moments in their lives. Or it could be characters from a fantasy world, like elves or wizards, and the fanfic could explore how their homecomings are different from ours. Maybe it's a group of friends and the fanfic focuses on their individual homecomings and how it affects their group dynamic.