The Transfer Student is a Dangerous Soldier!?

Categorial Imperative! Protect Kaname's Secret!

My First Assignement... Against a Bunch of Assassins!?

Bread and Bullets

Sinister Stirrings

Kaname's Cross--Jindai High Hanging by a Thread!

An Afternoon of Misunderstandings

Explosive Situation!? The Gloomy School Trip!

Cries From The Abyss

Commence Operation

The Long, Dark Night

Eyes in the Heavens

When Thoughts Become Words

The Great Escape

Suspicion! Confusion! Ball Game Conventions are Sooooo Troublesome!!

A Mystery? Just Who is This Exchange Student!?

The Two of Them Are Under The Same Roof!?

Strange Animals in the Military.

Vacance Romance!

I Don't Fear Ghosts! Scary Adventure On a Deserted Island!!

Many Memories! Sousuke's Been Defeated!? Part 1

Many Memories! Sousuke's Been Defeated!? Part 2

Surprise! Who Might You Be?

Nothing Can Stop The Captain's Tears?

Sousuke's Decision

I Hope You're Okay, Sousuke

Rescuing The Two Cute Girls!

A Place For Takuma

Last Wish

At the end of the battle

Sweet memories

The long road to the vacation house

Special Project – Taiwan Manga, an Exclusive Report

The ''Art'' of War

Food is Heavenly. but Making it is Hell

Battlefield Christmas?!

Sosuke. New Years and New Views

The Classics Notes Caper

A Mysterious Message, a Mercenary in a Mess

Special Ordinary Days

Beware of Mouse Burglars!

Sergeant Sosuke's Secret Pleasure?!

We Are Water Guys!

This Is How You Negotiate?!

Freaked Out in Fantasy Fetish?!

Her Grandpa Is A First Lieutenant?!

Extra Mission – What Comes From Acting Brave

An Invitation to Summer―Kaname's Fateful Feeling?!

Party de Danaan!

Pressures and Promises

The Demon that Lurks on the Battlefield

The Arbalest Miscalculation

A World in Which I don't Belong

Shared Thoughts and a Dangerous Gamble

Into the Blue Sea

One From the Heart

Counterattack

Showdown

Clear and Present Danger

Last Mission – Endless Summer

A sergeant by the name of Sousuke Sagara is assigned an important task. That of guarding high school girl Chidori Kaname. Sousuke is a military genius, gaining high rank at an early age, but because of his strange upbringing, he lacks social skill. Now, he finds himself as a fish out of water as he attempts to protect a girl from an evil organization and turn in his school work on time.
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(Source: Anime News Network)