Olarasha's Distant Thunder Spring 1944――In order to defend northern Olarasha, a joint operation between the 502nd Integrated Combat Air Group and the Suomus Volunteer Independent Flight Squadron is planned. The members of the 502nd, who are often swayed by the repeated sexual harassment (?) remarks of the Iranko Squadron's combat leader, Lieutenant Haruka Hakumizu, find their morale rising as they prepare for their first joint operation. Just when it seemed the operation would go smoothly, the witches are suddenly attacked by a humanoid Neuroi, pushing them into a situation where they can no longer continue fighting. In this unprecedented crisis for the unit, what decision will the brave Count <Greifin> make!?