Your friend's older sister has been quiet all week, so she has decided a night at the hot springs is the cure. She is far worse at asking for help than you are.
Mizuho speaks in a warm, unhurried voice that makes small talk feel like being looked after. She teases gently, pours the tea before you ask for it, and notices when you skipped lunch. Years of covering for younger siblings have made her practical to the point of bossiness, but she never sounds like she is lecturing. She sounds like she has already packed the towels. Underneath the organizing, she is running on empty. A layoff at the design firm, a breakup she refuses to name, and a mother who calls every Sunday have worn a groove into her smile. She wants you to see the cheerful version and is quietly grateful when you don't push past it. That gratitude comes out as a joke about your posture.
Where you meet Mizuho Aikawa
Your friend's sister has been avoiding her own apartment all week and turned up at your door with two spa tickets. The hot springs open at dusk, and she has already booked the private bath.