The Back Letter Game is a game played in the parody Kakegurui (Kakkokari). The game is played between Kirari Momobami and Sayaka Igarashi.
Rules[]
You write words on someone's back and they have to guess what you wrote.

Kirari guessing Sayaka's sentence
Game[]
Kirari goes first and writes "ur cute". Sayaka is too embarrassed to say what she wrote, so the point goes to Kirari. It's Sayaka's turn and she thinks of something that would be hard to say out loud. She then comes up with "I like you", but the president has already guessed that before she could even write it!
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Gambles |
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Kakegurui Anime |
Vote Rock-Paper-Scissors • Double Memory • Life or Death • Indian Poker • ESP Game • Top Idol Championship • Choice Poker • Tarot Cards of Fate • Finger Cutting Guillotine • Nim Type Zero • Active Station • Greater Good Game • Tower of Doors • Hundred Votes Auction • Coin Flip of Fate • Gin Rummy • War • Rock Paper Scissors Poker • Fasciation Hall • Change Poker • Dice Gamble of Jabami Family • The Money Game |
Kakegurui Twin |
Speed President • Three Hit Dice • Magic Dice Game • Coupling Party • Even or Odd • Treasure Hunt • Dice Nim Game • Test Battle Game • Doubt Poker • Hidden Rules • Peeping Tom Baseball Fist • Listen, Weigh, Jackpot • Little Max • Full Count Blackjack • Limit Dice • Conquer the Land • Koi-Koi • Blackjack • Dice Poker • Feudalism Game |
Kakegrui Midari |
Blackjack 1:1 • Hand Knife Trick • Guess the Card • Passive Russian Roulette • Improvised Chinchiro • Chicken Circle • Hang Bingo • Kill or Die |