Does anyone know of a school novel in which the main character plays a girl and wears a girl's military uniform during military training in school, but has forgotten the title of the book? Can anyone give an answer?

The combination of 'Discovery Channel' and 'hentai comic' is very odd and likely doesn't refer to any legitimate or common form of content. Hentai comics are usually found in specific adult-oriented platforms, not associated with a mainstream educational channel like Discovery.

The winged dragon of ra colored manga artwork often features vibrant colors and detailed depictions of the dragon's features and powers.

One such manga could be 'One Punch Man'. It has characters with superhuman strength and muscular builds.

The best place to start would be the official website of the comic publisher. They often have organized indexes for their different comic titles, including Spider-Man. You could also check out popular comic book databases or apps that focus on cataloging comics.

You can try looking on popular manga reading websites. Some of them might have the Indonesian version of 'Black Butler' available.

Overall, the manga timeline provides the core framework for the story, while the anime sometimes slows down or adds extra content to flesh out the world and characters. But the major plot points usually align.

You might find 'Hinamatsuri' similar. It has similar elements of comedy and heartwarming moments, and also explores the relationships and personal development of the characters like in 'Hitoribocchi wa Samishikute'.

You might try looking on dedicated manga websites or platforms that specialize in hosting a wide range of manga collections. Some popular ones include MangaReader or Viz Media.

Perhaps it was the contrast between his appearance and his actions or the depth of his character that gave you a positive feeling despite his outward description as a 'dirty old man'.

The original Spiderman comic was first published in the 1960s.