Part 1

Before Diablo got to know the flower vendor, on Lifelia calendar Year 165, January 6──

3 pm.

The clock tower bell rang.

The grounds of the royal capital Magic Academy was vast.

The school building that was called by the nickname the 《Blue Brick》 was a new building that was made with white stone pillars and blue bricks.

In one of the several school buildings──the First Year, Class F that was on the first floor of the middle school building.

The seat by the window furthest to the back of that classroom was Horun’s seat.

The division of students was done by grades, with A being the honor students, and the F class being called the class of failures.

Since Horun enrolled in the middle of the year, and had almost never studied magic until then, her ability as a Magician was of the lowest class.

She was actually level 80 as a 《Thief》 but……she had promised with her guardian, Lumachina, that she would keep that hidden.

At the end of today’s lesson, the glasses-wearing female teacher told them a message.

「Today, it has been confirmed that we have become unable to get in touch with several students. It is a situation where we do not know their whereabouts.」

The students made a fuss and were exchanging whispers inside the classroom.

Catching only the beneficial information from the noise was one of a Thief’s basic abilities. She had unconsciously started doing that.

It seemed that a girl from the High School Second Year Class A, and two senpais from the Third Year Class A had gone missing.

──Three people.

On top of Horun’s desk, a palm-size small young lady was using a pencil box in place of a chair and crossed her legs.

『With this, isn’t it ten people? Isn’t this school like totally dangerous? Like seriously~』

A passage between school buildings──

Horun was heading to a separate building alone.

Strictly speaking, the Holy Grail was within the bag that she held, but Babylon was sitting on her shoulder.

『Heyー, heyー, Horun-chan, the kidnapper, what kinda person do ya think they are?』

「……Is it really a kidnapping -ssu ka ne?」

Since the people around her couldn’t see Babylon, she would seem like she was talking to herself when she conversed with Babylon.

So that she wouldn’t be misunderstood as being gloomy, Horun would talk with a low voice that only Babylon who was riding her shoulder could hear without moving her lips.