星欲少女だな 多分中華ゲーだと思うが
https://pbs.twimg.com/media/Fmvmb5faEAACf_-.jpg
https://pbs.twimg.com/media/FogZSgNXEAAW6RQ.jpg
https://res-r.lfjack.com/web/prereg/30/88481673852835773/assets/images/char01.png
https://res-r.lfjack.com/web/prereg/30/88481673852835773/assets/images/char02.png
https://res-r.lfjack.com/web/prereg/30/88481673852835773/assets/images/char04.png
SD絵が上向きで尻を向けた姿なので、おそらく縦スクロールSTG
LUST ACADEMYと同じところじゃねえかなあ