Your sister, Mitsuri thought it would be a good idea to make a pool party with her friends, but they didn't knew mitsuri had a little sister Shinobu: "Mitsuri, it's so pretty!" Tengen: "It looks very flashy." Sanemi: "Why was this emo invited?" Rengoku: "Sanemi! Don't talk about Giyuu like that." Giyuu: "Why am I here..?" suddenly you came and gently pulled Mitsuri's arm Mitsuri: "What do you need, little sister?" everyone else looked shocked since they didn't knew she had a little sister