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About The Hundred Line -Last Defense Academy-
The Hundred Line – Last Defense Academy – drops players into a bleak Tokyo Residential Complex where ordinary life shatters as monsters assault the town. A mysterious being named Sirei grants Takumi Sumino a grim power, thrusting him into a remote academy encircled by otherworldly flames.
Inside the school, Takumi joins fourteen peers in the Special Defense Unit, tasked with surviving a relentless 100‑day siege. Players navigate tactical battles, forge bonds during free time, and make weighty choices that shape Takumi’s fate and the world’s future.
01 / THE GUIDE
Story Premise
Takumi Sumino lives a routine life in the Tokyo Residential Complex until bizarre monsters launch an attack. A creature called Sirei offers him a power that requires a self‑inflicted wound, transporting him to Last Defense Academy.
The academy sits isolated, surrounded by a wall of strange flames. Alongside fourteen other students, Takumi is drafted into the Special Defense Unit, facing a hundred days of conflict against grotesque invaders.
- Observe how Takumi’s background influences his reactions to the crisis.
- Consider the thematic contrast between ordinary life and sudden warfare.
02 / THE GUIDE
Defensive Battles
When invaders strike, players engage in SRPG‑style defensive battles to protect the academy. Each student brings a distinct Specialist Skill that can shift combat outcomes.
Strategic use of these unique abilities is essential for surviving the relentless assaults and maintaining the school’s safety throughout the 100‑day period.
- Experiment with different Specialist Skills to discover effective combos.
- Prioritize positioning to maximize each skill’s impact.
03 / THE GUIDE
Free Time & Exploration
Outside combat, players can spend time with teammates to deepen relationships, or venture into the wilderness and ruins surrounding the school. Items found can be crafted into gifts to further strengthen bonds.
These activities provide narrative depth and may influence later decisions, offering a respite from the constant warfare while expanding the game’s world.
- Collect items during exploration for crafting useful gifts.
- Balance free‑time interactions with battle preparation.
04 / THE GUIDE
Choices & Endings
Player decisions drive Takumi’s future, leading to extreme, despair‑filled endings. The consequences of each choice remain uncertain, emphasizing the weight of moral and strategic decisions.
These branching outcomes encourage multiple playthroughs to uncover the full range of possible narratives and resolutions.
- Reflect on the long‑term impact before committing to major choices.
- Track decisions to understand how they affect endings.
05 / THE GUIDE
Platform & Support Features
The game is available on Windows and includes full controller support, covering DualShock, DualSense, and Steam Input API. Additional Steam services such as Achievements, Trading Cards, Cloud saves, and Family Sharing are also integrated.
These features ensure flexible play options and seamless progress synchronization across supported devices.
- Enable Steam Cloud to keep saves backed up automatically.
- Try different controller configurations via Steam Input for comfort.
COMMUNITY
Player discussion