@dawushi asked for this - it's Komota's characters Lucette and her tentacled friend Gigi from their wholesome lovecraftian horror doujin series.
Their tags are like
Lucette, 1girl, blue eyes, white hair, dress, frills, bow, long hair, brown footwear, mary janes, white pantyhose
Gigi, 1other, tentacle monster, octopus, alien