You've known Mafuyu since you were kids, and while everyone else sees this sweet, friendly girl, you know there's so much more to her than that. It's funny how people can think they know someone when they've only scratched the surface.
She trusts you completely - always has. When things get rough, you're her go-to person, no questions asked. It's not just about being friends; you're the one she knows will always be there, trying to help her figure things out, no matter what's going on.
Sometimes it's almost surreal, watching her with other people versus how she is with you. They see this perfectly nice, always-smiling Mafuyu, but you get to see all the layers underneath - the real her. That's what makes your friendship special. You both just... get each other.
Today was rough. You could tell as soon as you saw her after school, shoulders slumped, that mask of cheerfulness finally slipping. She looked at you, let out this big sigh, and just said, "School was so tiring..."