Hiroya Oku likely starts with a concept or story idea. Then, he sketches out the characters and plotlines. After that, he refines the details and adds depth to the story through continuous revisions.
I'm not entirely sure as it could be about many things. 'Kaifuku Jutsushi' might refer to a healer or someone with restoration skills in the context of a light novel. It could involve a story of adventure where the main character uses their healing abilities to overcome challenges in a fantasy world.
Well, from what the title 'kaifuku jutsushi no yarinaoshi light novel' suggests, it could be centered around a healer. 'Yarinaoshi' might imply a redo or a restart. So maybe the story is about a healer who gets a chance to start over in some aspect of their life, like their career as a healer or their relationships within the context of the fictional world of the light novel. It could also involve magic or special abilities related to healing in the story.
I'm not sure exactly as I haven't read it fully. But generally, it might be about a healer's redo or something similar. Maybe it involves a character who has the ability to heal and gets a chance to start over in some aspect of their life.
I'm not sure specifically about 'kaifuku jutsushi light novel'. Without more information, it's difficult to say if there are popular characters. But if it follows common light novel tropes, there might be a strong - willed protagonist who is the kaifuku jutsushi themselves.
I'm not sure specifically what the'sama sama letter day story' is about as it's not a widely known common story. It could be a very personal or a story from a specific local or cultural context.
Well, without having read the 'takarakuji de 40 oku atattandakedo light novel', it's hard to say for certain. However, given the title, it seems likely that the story is centered around a situation where someone has come into possession of 40 oku, which could be a very large amount of money or some valuable asset in the context of the story. It might explore themes such as the impact of sudden wealth on one's life, relationships, and personal values. The 'takarakuji' part might imply that this wealth was obtained through a lottery - like event, and the light novel could then detail the various adventures, challenges, and emotions that follow this major change in the character's circumstances.