うたわれるもの ロストフラグ:The information provided is about a new

【うたわれるもの ロストフラグ】The information provided is about a new gacha event in a game. It seems like there are limited-time characters and items that have increased drop rates during this event. There are also special rewards that can be obtained by using the gacha multiple times. Overall, it seems like an exciting event for players of the game.