Had the Controller of Work Passes known that Sotto had no intention to work as Faizal's maid, the work permit would not have been issued to her, the prosecutor said.
He sought about four weeks' jail for Sotto before any reduction for her guilty plea.
The prosecutor said Sotto had circumvented Singapore's foreign manpower regulations by obtaining a work permit under false pretences, "undermining the integrity of the work pass framework while engaging in unauthorised employment with other parties".
She was the mastermind of the conspiracy as she initiated the scheme, he added.
He also pointed to her motive – she wanted to remain in Singapore with her boyfriend after her previous employment was terminated.
Sotto was unrepresented and attended court with an older woman whom she described as the mother of her fiance.
She begged for leniency, apologising for what she had done.
"I hope you will give me a chance," she said. "I (would) really like to stay here and work here, your honour. I hope you will give me leniency."
The judge told her that he had "no control" over whether or not she could work in Singapore, and that it was not for him to decide.
He allowed her to defer her sentence for a few days.
CNA has contacted MOM on whether Sotto can still work in Singapore.
Faizal faces similar charges for his alleged involvement in the case and is set to plead guilty in October.