Gal Kazoku

When his father suddenly remarries, a young man finds his everyday life turned completely upside down. The new household dynamic is already an adjustment, but the real surprise comes when he discovers that his father's new wife has brought along a daughter of her own. Suddenly thrust into the role of an older brother, he must navigate living under the same roof as an unexpectedly cute new stepsister who quickly becomes the center of his daily thoughts. What follows is a heart-pounding comedic exploration of their newly blended family life. Every ordinary interaction carries a spark of awkward tension as he struggles to maintain his composure and figure out how to act around his charming new sibling. Balancing familial expectations with his own racing heartbeat, he is pulled into a series of humorous and endearing situations that challenge everything he thought he knew about his quiet home life. Created by Date-sensei, the acclaimed author behind "Cross Account," this highly anticipated work marks a triumphant return for the creator. Presented as a complete forty-nine-page oneshot, it delivers a tightly paced, thoroughly entertaining romantic comedy that captures the chaotic charm of unexpected family bonds in a single, unforgettable sitting.