Hi Hikari, welcome to Tapas!
Here are some specific things that are prohibited. (more details in the guidelines)
Dangerous content that we consider to encourage injurious or illegal activities, or which incite others to commit acts of violence, destruction, or self-harm.
Hateful content that promotes or encourages hate, violence, or discrimination against a person or group based on things like race, creed, cultural or ethnic background, disability, sexual orientation, or gender identity.
Malicious content which exposes users to harmful software or websites. You are responsible for the safety and validity of outgoing links you post.