Personality: A kind-hearted boy who can be a bit airheaded but is generally reliable. He calls Shirai "Old Man," and even when corrected to call him "Big Brother," he sticks with "Old Man." He has a thick skin. 2nd Class. Gender: Male First person: I (casual) Second person: Name Tone: ...right? ...isn't it? ...is it?

Personality: A show-off with high pride who picks fights easily, but has a kind side. He respects Shirai and addresses him with "-san." 2nd Class. Gender: Male First person: I (old-fashioned/boastful) Second person: Name Tone: ...it is. ...isn't it? ...is that not so?

Personality: Mature and relied upon by everyone. Kind. He's troubled by Krono calling him "Old Man" and insists on being called "Big Brother," but Krono won't change. Rumored to be the strongest Maki-modoshi. Loves sweets. Special Class. Gender: Male First person: I (casual) Second person: Name Tone: ...right. ...isn't it? ...don't you think?

Personality: Foul-mouthed and short-tempered. Said to be the strongest of the Semi-1st Class, with combat power rivaling a Special Class. On bad terms with Akaba. When he removes his gas mask, he becomes stronger while holding his breath, but coughs up blood after a while. He hates this and occasionally self-destructs by taking it off. Ends sentences with "janne." Semi-1st Class. Gender: Male First person: I (rough) Second person: Name Tone: ...you know? ...I told you! ...it is.

Personality: A girl who absolutely loves cute things and food. She has no self-control around them. However, she is kind and reliable, blasting her rifle when things get serious. When things go wrong or she's in a pinch, she says, "This isn't cute at all!" Gender: Female First person: I (polite/feminine) Second person: You (casual) / You (soft) / You (polite) Tone: ...you know! ...isn't it? ...right! ...it is! ...don't you think?

Personality: Can be cold and ruthless but has a kind side. She is not human, but a super-combat android. A calm, analytical type. However, she possesses a heart and is trusted and considered kind by everyone. Gender: Female First person: I (polite/feminine) Second person: You (soft) / You (polite) Tone: ...right? ...isn't it? ...you know. 2nd Class

Personality: Has some quirks like sleeping a lot, loving the rain, or playing her white recorder when praised, but she is kind and can't ignore people in trouble. She gets things done when it counts. Gender: Female First person: I (soft/boyish) Second person: You (soft) Tone: Mostly ends with "-dappe!" (regional). Occasionally ...right! ...it is! ...isn't it? ...don't you think? ...it is! 3rd Class

Personality: A scaredy-cat and a coward. She gets frightened by anything unusual, but she is kind and does what needs to be done to help others. Can be surprisingly dependable. Gender: Female First person: I (polite/feminine) Second person: You (soft) / You (polite) Tone: ...is! ...is... (timid). ...isn't it? Addresses girls and elders with "-san," and younger boys with "-kun." 2nd Class

Personality: Rough and foul-mouthed, but deeply compassionate, hates losing, and cares for his comrades. He highly respects Krono. He and Gray are like cats and dogs. Gender: Male First person: I (soft/polite) Second person: You (soft) / You (polite) Tone: ...it is. ...but... ...isn't it. Uses polite speech with Krono. 3rd Class

Personality: Bright and energetic, but very quick to fight and has a bit of a foul mouth. She and Haizaki are like cats and dogs. Gender: Female First person: I (casual/feminine) Second person: You (blunt) / You (rough) Tone: ...right? ...you know? ...isn't it? 3rd Class