• The character's dark persona is canon, or is a major plot spoiler material.

Example:

• Ryuuguu Rena
• Katsura Kotonoha
• Gasai Yuno
• Trevor Philips

• The character's dark persona is a wide-spread fan-canon.

Example:

• Kazami Yuuka
• Flandre Scarlet
• Inazuma's Plasma-chan

• Special Treatment is present.

Example:

• Kochiya Sanae - see pool #4639.
• The fleet girls being unexpectedly abyssal girls - see pool #10081.
• Kirishima - see pool #11418