Huli Zong Shi Zai Shuo Huang

Tang Ran is a sunny and cheerful little fox spirit. In order to graduate from youkai school, she transformed into a college student to try to seduce a human. However, what she didn't know was that Su Qingci, the cool lady professor she had her eyes on, was actually…? One lie begets more lies, as each girl tries to seduce the other, that is the way of the "lying" fox.

(Source: Billibilli, translated)