とうじょう登場toujou
1.

The act of a character making their first appearance in a performance or narrative, marking their introduction to the audience.

2.

The emergence of a new person, product, or phenomenon in society, signifying their arrival or launch into the public sphere.

Example:

その女優は舞台に3度登場した。

とうじょうじんぶつ登場人物toujoujinbutsu
1.

A person who appears in a story, play, or film, taking on a specific role or persona within the narrative.

2.

An individual represented in a work of fiction, contributing to the development of the plot through their actions and interactions with other characters.

3.

A fictional figure that embodies particular traits and motivations, serving to drive the story forward and engage the audience.

Example:

登場人物がうまく割り振られていた。

しんとうじょう新登場shintoujou
1.

A product that has recently been introduced to the market, bringing fresh options to consumers.

2.

An item that has just become available, signifying the expansion of choices within a particular category.

3.

A newly released offering that enhances the existing lineup of products available to customers.

4.

A recently launched product that represents the latest addition to a series, trend, or collection.

はつとうじょう初登場hatsutoujou
1.

The moment when a person, character, or work is introduced to the public for the first time, marking the beginning of their presence in a particular field or medium.

2.

The specific occasion or event in which something or someone makes their initial showing or presentation, often creating anticipation or excitement.

3.

The initial instance or circumstance in which an artist, performer, or product is unveiled, often signaling the start of a new phase in their career or life.

4.

The introductory appearance that establishes the identity or significance of a new entity, whether it be a person, a character in a story, or a product in the market.