krauss

Both female leads have similar traits. However, Dear X has a smarter female lead where she plans and schemes.

Both female leads have similar traits. However, Dear X has a smarter female lead where she plans and schemes.

Both are dark, and they have a somewhat similar storyline. And both female leads have similar personality.

Dear X: She manipulates others to get what she wants and to protect herself.

Utsukushii Rinjin: She manipulates others for revenge.

Utsukushii Rinjin is the prequel of Saki. The sequel Saki is more similar to Dear X. Both female leads are psychopaths.

Dear X: She manipulates others to get what she wants and to protect herself.

Saki: She manipulates others for revenge.

Overall Saki is more evil.

Vengeful, manipulative, seductive, smart female lead who only goes out to destroy people's lives.
For Saki, the first season is Utsukushi Rinjin.