〔モンスト〕毎キープガチャ

is a type of gacha game in the Japanese mobile game Monster Strike. It is a special type of gacha that is available every week and allows players to have a chance to obtain rare and powerful monsters. Players can use special in-game currency to pull from the gacha and potentially get new and powerful monsters for their team. This gacha is highly anticipated by players and is a popular event in the game.