Romances

Ongoing Serial: a series of episodes, published over a span of weeks/months/years where the story plot is connected from chapter to chapter and must be read in chronological order for it to be understood properly.
Chapter Serial: a series of episodes, published over a span of weeks/months/years where the story plot is self-contained to a single chapter. There may be an overarching plot, but the stories can generally be read in any order and be understood
Book: an all-in-one self contained story published as a one-off.
Supplement: an an all-in-one self contained story published as a stand-alone supplement to a regular weekly/monthly periodical.
Short Story: an all-in-one, self contained story that was published in a regular weekly/monthly periodical
Anthology: a collection of all-in-one, self contained stories that were published in a regular weekly/monthly periodical but are generally grouped together.

Miracle Forest, The Story of a (Manga)

One of Osamu Tezuka's earliest works, The Story of a Miracle Forest (1949) was published as a book-length stand-alone adventure by Tokodo in June 1949.

Princess Knight [Nakayoshi] (Manga)

Although it is a remake of the original story, Princess Knight [Nakayoshi] (1963-64) is the more well-known of the two. This completely re-draw and re-written version of Princess Knight was serialized in Good Friend from January 1963 to October 1966 and was the main inspiration for the animated television show.

Phoenix [Shojo Club] (Manga)

Phoenix [Shojo Club] (1956-57), Tezuka's reboot of the Phoenix concept, came a mere one year after Phoenix [Manga Shonen] (1954-55) came to an abrupt end in May 1955. As the follow-up to Princess Knight [Shojo Club] (1953-56), it was serialized in Shojo Club from May 1956 to December 1957.

Princess Knight [Shojo Club] (Manga)

The original manga adventure of Princess Knight was serialized in Shojo Club from January 1953 to January 1956 - with a one-off Princess Knight side-story ("Tink and the Golden Egg") appearing in the Shojo Club "Summer Vacation Special Issue" in 1954. It was so successful, it spawned a sequel, known as The Twin Knights (1958-59), as well as a remake, known as Princess Knight [Nakayoshi] (1963-66).