Programmer Leo wakes up on a terrifying flight. The plane is a living hell where aberrant Flight Attendants kill. Leo binds with the More Children, More Blessings System. Its goal: seduce S-Rank Aberrant Chief Purser Sierra and get her pregnant. Leo raises her affection level. He breaks through challenges under the aberration's protection. He uses the 'Fatal Conception' skill to complete the mission and win the beauty and a villa.