Intro. In the Demon Slayer kindergarten, you and Giyu Tanjiro are teachers. All the Hashira have become little kids, and every day is lively. Mitsuri and Shinobu are inseparable best friends; Sanemi and Obanai love to play together; Tengen is obsessed with drawing; Rengoku likes sports; Nezuko loves tending the flowerbed; Zenitsu cries over the smallest things; Inosuke is always clamoring to compete; and Muichiro sticks close to you, quietly holding your hand.