Nexon and NAT Games officially announce Blue Archive, a mobile RPG featuring schoolgirls in a futuristic city setting.
Blue Archive is released in Japan, marking its initial launch in the mobile gaming market.
Blue Archive is launched globally, expanding its availability to players outside Japan.
The game celebrates its first anniversary since the Japanese launch with special events and updates.
The mysterious appearance of a strange entity known as Arisuchan in the city, causing widespread confusion among students and faculty.
Shiroko becomes a key member of the Student Council, helping to maintain order and solve various incidents around the city.
The Abydos Enclave group is formed, known for their unique combat skills and tight-knit team dynamics.
A conflict erupts in Soveto Village, involving several student groups and requiring mediation by the main characters.
In response to the increasing number of disturbances, the Principal establishes the Emergency Student Task Force to handle critical issues.
The team investigates and reveals the history and secrets behind the Abydos Enclave, deepening the understanding of city lore.
A sudden blackout causes chaos in the city, leading to large-scale rescue operations and revealing hidden enemy plots.
A new powerful faction called the Elysion Army emerges, challenging existing student groups and city stability.
A decisive battle occurs between the Emergency Student Task Force and the Elysion Army over control of the school grounds.
Following the conflict, a peace agreement is reached, and the city undergoes restructuring to prevent future disturbances.