The first of the SOS Brigade, Tsume chaimashita. Doujinshis Kakifly created
Will scan and update the list when done
The only one I don't have out of the six is the second one

Base +6

(コミコミ10) [海の幸定食 (かきふらい)] SOS団、つめちゃいました。(涼宮ハルヒの憂鬱)

reference
https://ouo.io/3o6LTo

Base +6

Aww, this old anime manga missed me so much...
Here, I'm in the search about this one before, there's 7 months :
https://ouo.io/kLX6K4

There's the last with the same circle :
https://ouo.io/N40DWP

Of course, there's the last DJ with yaoi ship Itsuki Koizumi x Kyon, with the circle Zerohaku :
https://ouo.io/yl2a9

Base +7