Follow the artist:
https://www.pixiv.net/en/users/557089
https://x.com/keyaki0202

Comissioned by Anonymous. You can contact me about commissions at Pangeantl6@gmail.com
or through Discord, username: pangean

Or you can support me directly at https://youpay.me/Pangeantl

Let me know of any spelling or grammar errors.

I generally think the quality of doujins has gone up over time, but I do like looking at really old stuff like this and peaking back in time.
I learned recently from a friend that the original Idolmaster was basically the game that Xbox used to break into the Japanese market where it was originally an extremely niche console.

06
Hmm, but is this really ok? Even with other idols, this is…
///Hmm, but is this really ok? Idols really shouldn't be doing this…

10
ふ
///Hnf!

ん！
///Nh!

11
Miki will lose... belong…！
///...belongs...!

13
_LMF_'s reply to your question regarding A-parts and C-parts: https://forums.e-hentai.org/index.php?s=&showtopic=48923&view=findpost&p=6761902
https://gundam.fandom.com/wiki/MSA-0011_S_Gundam

15
自分泣いちゃうぞ
///I'm going to cry too.

16
Your producers gonna cum too! I'm cumming from the double appeal!!
///Your producer's gonna cum too! I'm gonna do a double appeal!!

18
Shiyou-san!...
//Shijou-san!...

20
Shiyou-san ｘ２
//Shijou-san x2

But it looks like... tight-nit bond...
///...tightly-knit bond...

22
I feel Rissan's greatness lies in how she complains with all her heart till the very end.
///I feel Rissan's wonderfulness is concentrated in the vulnerability she shows only at the very end.

...called down...
///...calmed down...

24
I don't get it at all.
///I'm not sure why I feel that way, but she's always so frantic, officially loves to fantasize and is always so frantic… And is always so frantic…
//The writer is saying he can't pinpoint the reason he finds her so cute.

26
My oshi's pussy...
おしりのまんこぉ またイきますぅ
///My ass-pussy! It's cumming again!

27
Yeah, now let go of me, would ya!
あー それでボクヌ(脱)がされた
///"Ahh, so that's why you took off my clothes."
//Literally "Ahh, so that's why my clothes got taken off," but better in active voice.

28
まんぞく(満足)したし
///Well, it was satisfying…

Aah, that's fine by me, yo!
///"Ahh, it was fine!"
//The implication of the grammar is that he already tried it.

Base +36