1. Time: 2050
2. Human technology: General artificial intelligence robots (referred to as "bionic humans") with abilities comparable to (or even surpassing) humans in some aspects have been created.
3. Aliens visit: An advanced alien fleet claiming to be from a distant galaxy arrives in the solar system.
4. Conflict breaks out after brief contact or miscalculation. During battles or captive studies, humans were shocked to discover that these "aliens" were actually highly developed robots.
