In Which a Demon King Does Not Have a Romantic Interest in His Human Gardener by Rori Thornton

Demon King Jurao returns from his successful thirty-year Union Campaign and discovers something amiss - the castle gardens have a secret caretaker. Using his authority over the sentient plants, he discovers the gardener is... a human! But after hearing the man out, Jurao decides to appoint Braelin as the official Royal Gardener for all his hard work. Now he just needs to figure out why everyone seems to believe he is romantically interested in the human...