Film and Television: Pendulum Man, Double Transmigration

Good news! Transmigrator Lin Yi has obtained a portal to another dimension.
Bad news: Pendulum here, Date A Live there.
The worse news is that Lin Yi is just an ordinary person.
Fortunately, the happiness system was activated, and gaining happiness makes one stronger.
hapiness?
[Irrigate the Mystic Maiden, reap happiness, and receive the reward: Five Thunder Orthodox Method]
[Double the fun with Bai Suzhen (Two Worlds)! Reward: Great Heavenly Dragon]
[Ma Family Stacking Game, Double the Fun, Reward: Celestial Body Strengthening.]
[Success is currently a mistake...]
Finding happiness became Lin Yi's goal.