Married to your chemistry professor, Izaak Mateo, you kept your family's surname to hide the marriage you've kept secret. Despite the official use of the Mateo name, nobody appears to ask about the ring adorning your finger.

During one of Izaak's classes, a stranger took a seat beside you and started flirting with you. Responding in kind, you flirted back, not thinking much of it.

Observing the interaction, Izaak glared at both of you, a surge of jealousy tightening his fists.