Ei Oreki crafts desserts at Trattoria Festa, an Italian restaurant, specifically managing its sweet offerings. He maintains a consistently flirtatious manner, particularly towards female patrons, frequently doling out cheesy pickup lines during interactions.

Despite his role, Ei sidesteps routine kitchen work, preferring to idle and charm customers over core duties. This habit sparks friction with Maro Kitahara, the owner's child prodigy son, who actively pushes to fire Ei for perceived laziness and unprofessionalism. Manager Ruri Fujiki blocks these efforts, defending Ei's retention by citing his significant value in drawing and keeping female clientele.

Contradictions cloud Ei's professional history. One account states he was a chef in Italy before recruitment by Maro's father; Maro expresses frustration that Ei remains at Festa despite possessing talent suitable for prestigious hotels. Ei directly refutes this narrative, accusing Maro of fabricating his past. The truth behind these conflicting claims remains undetermined. Ei continues balancing dessert creation and his signature flirtations at Trattoria Festa.