An amnesiac high school student. While living with Ginko and Professor, his city is struck by the "Nebula Weapon", a huge weapon sent in from space, and he gets entangled in the fight. He doesn't have friends as he has just transferred school, but He gets along with Nozomi.

Soya's class's chairperson. She has a kind deposition, causing her to pay attention to Soya who has recently transferred. Soya calls her "Nozo-san". She likes ghost stories and occultic stuff.

A girl who dresses in gothic lolita who lives with Soya. Chef of the Kuroi household, but for some reason doesn’t use meat. Despite her innocent expression, she works with Professor to drag Soya into the fight.

A mysterious cat-like creature that stays together with Soya and Ginko. He loves cabbages and 2D girls, and lives a normal (?) life.

The leader of the "Special Defensive Unit for Protective Management", more commonly known as the "Grand Paladin", that is made up of 7 people with psychic skills. He calls Soya and the rest "Nebula Soldiers" like the Nebula Weapon, and tries to eliminate them.

The secretary of Takashi Ryuzoji. She manages the Grand Paladin and is their battle strategist.

One of the members of the "Grand Paladin", and his combat skills are one of the top amongst them. He is usually a serious young man, and He used to be a firefighter.

One of the members of the "Grand Paladin". The mood-maker of the group, but has a complex about her past. She's childhood friends with Harumi.

One of the members of the "Grand Paladin". She's good friends with Miu. Due to her mature character, she's often worried about Miu's recklessness. She fights with Judo, which she is good at.

One of the members of the "Grand Paladin". Going through the “Eighth-grade Syndrome” (Chuunibyou), his actions does not match his words. His name is written as "Masayoshi" but read as "Judgement".

One of the members of the "Grand Paladin". She excels in analysing battle situations, and has a calm deposition. However, she is a woman who holds strong to her beliefs and is a strong-willed person.

A young man who is part of the "Grand Paladin". He isn't good at combat as he prefers to stay indoors, thus he is often at the mercy of the other members’ whims. He has known Benika for a long time, and they’re often involved in the same operation.

The oldest member of the "Grand Paladin". Although he looks old, he is still filled with energy, and he has a huge appetite that wouldn't lose to a food fighter. He is fighting as a member of the "Grand Paladin" because of his son, Takashi Ryuzoji.

A dog-like creature who is at odds with Professor. What is his identity and motive ......?