Call me crazy but I saw that Yin-Yang flag as mami_momu in the Thumbnail

Would someone enlighten me to what this current event is about?

Yuujin-A said:

Would someone enlighten me to what this current event is about?

Basically, this.

We already have meme edits for this image, ranging from Dark Souls to Star Wars.

Oh snap, they really looked like they're about to duke it out.

Hang on, Sanae is left handed?

Kalga said:

Hang on, Sanae is left handed?

Kochiya Sanae: You are wonderful.
Red And White Miko: Thank you; I've worked hard to become so.
Kochiya Sanae: I admit it, you are better than I am.
Red And White Miko: Then why are you smiling?
Kochiya Sanae: Because I know something you don't know.
Red And White Miko: And what is that?
Kochiya Sanae: I am not left-handed.

and suddenly,a warugaki doujin