Analysis of gacha selling techniques

F2P games often rely on a wide cast of characters that the audience invests on in order to generate revenue. These can be bought with in-game currencies, real currencies, or bet for in a gacha. To that end, it is necessary to sell the appeal of these characters to the users not just through aesthetics and playability but through the game's story / lore as well. Successful games that sell characters all employ a vast number of techniques in the game's main story in order to highlight the appeal of these characters. But these techniques aren’t exclusive to gaming: they have existed since the dawn of storytelling. In this analysis, I will use two gacha games as examples to highlight these storytelling techniques, properly categorized.