Young boys and girls in adolescence have to live under the same roof because their parents have remarried.
The two people who are also not interested in love have been treating each other in their own disguises for the sake of their families, and everything seems to be peaceful.
Until, the apprentice Cupid, who claimed to be the God of Love, came to the boy and girl respectively, asking to conquer their respective step-sisters/step-brothers.
So a strategy war under the same roof started.
Concept: The youthfulness and joy of campus love in adolescence