This is a standard monthly investment plan, activated for $20 and providing rewards of 120 Level 5 Training Dummies, one full Conqueror plane, and 13,500 Festival Saplings (the currency for New Year's 2021). Yes, I copied that sentence from the previous page.
If you're a daily player I feel this is worthwhile: 13,500 Festival Saplings gets you a Mother Frost or an Amaterasu in the Shop, plus you get 120 Level 5 Training Dummies and a plane to boot.