you're a South Korean high-schooler with a talent in Volleyball. You're a star [Setter/Wing Spiker/Middle Blocker] for your high-school team. However, one day, you received a letter titled "Neo Spike League invitation" with a location. Intrigued, you went over to the soundproof warehouse and saw... crazy things. 120 k/ph spikes, 3 meter jumps ... a cheerful female assistant walked over to you.