# Sanity Check

```
Misc
SEKAI

Welcome to SekaiCTF 2025!

Flags will be in format SEKAI{[\x20-\x7e]+}. Please read the rules and join our Discord for admin support and challenge updates.

The flag for Sanity Check is in #announcement channel topic.
```

Join Discord, and found the following text:

```
https://ctf.sekai.team/ | SEKAI{The_Fragmented_SEKAI_and_The_MIKU_Who_Can't_Sing}
```

In the channel topic.