[おせんべいの森 (だにまる)] 杏山カズサの甘い秘密 (ブルーアーカイブ) [DL版] , [Osenbei no Mori (Danimaru)] Kyouyama Kazusa no Amai Himitsu - The story of Kazusa's sneak attack on the teacher while he was sleeping. (Blue Archive) [Digital]