She is happy in my bright, direct sunlight window!
Acanthocereus tetragonus 'Fairy Castle'
This cactus has quaint branches dressed in delicate spikes that grow to resemble castle spires fit for fairy godmothers and princesses alike. It's a fuss-free plant, requiring the bare minimum to thrive. The perfect fit for a busy lifestyle; consider it magic.
Bright indirect or direct light.
SM: ~8-10" tall and a 4" pot.
Pro-tip: Will lean towards the sun, so be sure to rotate regularly to avoid a slanted plant.