ねこびさんの作ったSTGのキャラクターです。
右の子はおちんちんついてますわよ(´ω`)

作者HP
https://bikkurisoftware.com/
STEAM
https://store.steampowered.com/app/629440/Graze_Counter/

These are characters from a shoot-'em-up by Necobi-san.
The one on the right has a penis(´ω`)

Creator Page
https://bikkurisoftware.com/
Steam
https://store.steampowered.com/app/629440/Graze_Counter/