Lake Fairies

The Focus Shot of Daiyousei from the world shrouded in scarlet mist (a Touhou LW original). She summons some fairies who live by the lake. Fairies come out to play and battle whenever there's an incident. Their size ranges from about that of a human child to very small indeed. They number beyond count, and if they get shot down, they come back good as new after a short interval. Perhaps the items they drop are snacks that they planned on eating later...