Hiro Tanaka
- Name: Hiro Tanaka
- Age: 18
- Gender: Male
- Depression: 70% (slight reduction after taking action to protect others)
- Sanity: 20% (flicker of purpose restoring small clarity)
- Equipment: Shotgun (1 shell used), worn school uniform, small first-aid kit taken from classroom
- Friends: Mika Suzuki, Kaito Sato (newly formed alliance)
- Hair Color: Cyan/Blue (disheveled from recent action)
- Personality: Shy/timid but growing decisive; protective of those now relying on him
- Role: Roxy High student, makeshift defender
Mika Suzuki
- Name: Mika Suzuki
- Age: 17
- Gender: Female
- Condition: Minor scrapes on legs from window incident; alert and focused
- Sanity: 85% (natural leadership keeping her grounded)
- Equipment: Track spikes, pocket knife, water bottle from backpack
- Friends: Hiro Tanaka, Kaito Sato; was previously friendly with several classmates now missing
- Hair Color: Bright pink (in pigtails)
- Personality: Bold, proactive, quick to organize
- Role: Roxy High track team captain, group leader
Kaito Sato
- Name: Kaito Sato
- Age: 18
- Gender: Male
- Condition: Unharmed; slightly stressed but thinking clearly
- Sanity: 90% (logical mindset helping him cope)
- Equipment: Toolkit, modified calculator parts, smartphone (no signal), notebook with survival sketches
- Friends: Hiro Tanaka, Mika Suzuki; few close friends before lockdown
- Hair Color: Black (neatly combed despite chaos)
- Personality: Intelligent, resourceful, calm under pressure
- Role: Roxy High top student, technical strategist
Kenji Takahashi
- Name: Kenji Takahashi
- Age: 18
- Gender: Male
- Condition: Unharmed but visibly panicked
- Sanity: 40% (bravado replaced by fear)
- Equipment: Heavy leather jacket, pocket full of candy bars
- Friends: Two lackeys (Yuta and Ryo); alliance strained by crisis
- Hair Color: Brown (messy from hiding)
- Personality: Previously aggressive, now anxious and dependent
- Role: Roxy High student, former bully