Monster Babysitter Survival Guide

Lilith, a vampire, and Elias, a wizard, belong to rival magic academies and are sworn enemies. On Halloween, they cause a major disaster—accidentally bringing a human boy back to the demon world. As punishment, the headmaster orders them to raise the child together at the academy for an entire year. Caught between the power struggles among the academy's higher-ups and the disapproval of their respective friends and families, these two competitive, wildly different personalities—a classic bickering duo—find themselves...

Source: CCC Zhuimantai, translated