About the idolmaster side-m tag
idolmaster side-m is a series tag that NovelAI Diffusion can use. On Danbooru it has 4,175 posts, and its best-rated still image scores 209. The samples above put the tag at the front of a fixed base prompt with seed 1234, so the differences between tags come from the tag alone.
How each model draws idolmaster side-m
Follows composition and expression instructions closely, so the effect shows in a tidy form.
Reacts to the tag more strongly, so its effect is easier to see.
WAI illustrious SDXL v17, a local model. Shows how the same tag reads outside NovelAI.
Writing idolmaster side-m in a prompt
Put the subject first, then this tag, then quality tags.
idolmaster side-m, solo, best quality, masterpiecewlop, idolmaster side-m, soloThe negative prompt and the full settings are on the terms page.
How these samples were made
Every image uses 832×1216, seed 1234, 23 steps and the k_euler_ancestral sampler. The base prompt and negative prompt stay the same for every tag, and only the tag under test changes. Images flagged by the NSFW check are regenerated with a new seed or hidden.
From the Danbooru wiki
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A mobile game spin-off of iDOLM@STER launched in 2014, this time focusing on producing for the male idols of the 315 Productions agency.
The members of Jupiter from iDOLM@STER 2's 961 Productions are included in the roster, with Akizuki Ryou of Dearly Stars' 876 Productions being added later as part of his own unit.
In March 2015, voices began to be introduced for the idols, starting with the unit DRAMATIC STARS. ST@RTING LINE, a series of music CDs featuring them and other units, also began to be released by Lantis throughout the year.
In December 2015, a Twitter-based poll called the New Idol Discovery Project (新アイドル発掘オーディション) was run to select three new idols from a pool of nine candidates to form a new unit, with the winners being announced a month later. The winners (Amehiko, Koron, and Sora) were later implemented into the game in July 2016 as the idol group Legenders. The other six candidates have not been put into the game as of late.
In February 2017, Bandai Namco announced the development of The iDOLM@STER SideM Live on St@ge!, a mobile spinoff. The game serves as a male counterpart to Starlight Stage, as it is a rhythm game utilizing 3D models of the 315 idols for in-game performances. They also announced a SideM anime adaptation, with further details being revealed on "315 Day" (March 15). The anime premiered in the fall of 2017.
In 2021, a third game, THE iDOLM@STER SideM GROWING STARS, was announced following the closure of LIVE ON ST@GE!.
Staff
Idols
Altessimo
Beit
Cafe Parade
Dramatic Stars
F-LAGS_
FRAME
High x Joker
Jupiter_
Mofumofuen
Sai
S.E.M
Shinsoku Ikkon
The Kogado
W_
Legenders
New Idol Discovery Project Candidates
C.FIRST
In-universe productions
External links
FAQ
Does NovelAI recognize idolmaster side-m?
Compare the samples on this page. Every tag on this site shares the same seed and base prompt, so any change you see comes from idolmaster side-m.
How do I write idolmaster side-m in a prompt?
Write "idolmaster side-m" near the front of the prompt and separate it from other tags with commas.
Should I use V5 or V4.5?
V4.5 shows the tag's effect more strongly. V5 gives steadier images with fewer artifacts.

































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