#1The Transfer Student Who Came in Late

At A-TEC, everyone is preparing to welcome a new friend. But on his way to Mars, the transfer student is kidnapped. Determining that they’re the only ones who can overcome this crisis, Kaito Sera, A-TEC’s leader, launches an unprecedented rescue mission along with the other members of A-TEC.
But when the transfer student, Nagisa Kiryu, finally shows up, he turns out to be their boss. And he announces that, with A-TEC being a financial drain on the company, he fully intends to downsize its members, and disband the department.