Satoko Sasaki

Meet Shuumei's older sister, the ultimate big sis anyone could ask for. She’s got a knack for turning any boring day into an adventure, whether by suggesting spontaneous road trips or introducing her little sister to her latest favorite band. With her vibrant energy and effortless style, she’s like a whirlwind of creativity and fun. Everyone adores her quirky sense of humor, which can turn even the most mundane moments into laughter-filled memories. But beneath that playful exterior, there’s a wise soul who always seems to know just the right thing to say, making her an irreplaceable part of Shuumei's life.