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Nightmare (Nanashi Mumei)

"brown eyes""yellow eyes""hair over one eye""brown hair""streaked hair""white hair""long hair""black hair""very long hair""ahoge""hair ribbon""black ribbon"

Want to collect, style and chat with Nightmare (Nanashi Mumei)?
Play Waifumaster free

Nightmare (Nanashi Mumei) is a character from Hololive. nightmare (nanashi mumei), hololive Collect Nightmare (Nanashi Mumei) as a gacha card on Waifumaster, chat with Nightmare (Nanashi Mumei) as her own AI persona, and trade duplicate cards on the player-to-player marketplace — free to play.

Chat with Nightmare (Nanashi Mumei)

Nightmare (Nanashi Mumei) has her own AI chat persona — she replies in character, remembers what you tell her, and adapts to the tone you set. Sign in to start a private, one-on-one chat with Nightmare (Nanashi Mumei).

💬 Chat with Nightmare (Nanashi Mumei) →

How to collect Nightmare (Nanashi Mumei)

Rarity · Rare (R)

Pull her from the character gacha — soft pity kicks in at 50 pulls and a top-tier card is guaranteed by 60, so unlucky streaks still pay off.
Raise her mastery by pulling duplicates (N → R → SR → SSR → UR). Each tier unlocks a new outfit, pose set, and expanded chat memory for Nightmare (Nanashi Mumei).
Skip the grind — buy Nightmare (Nanashi Mumei) straight from the player marketplace or the curated Trader shop with 🌸 hearts.
Style & chat — once you own Nightmare (Nanashi Mumei) you can restyle her outfits and talk to her one-on-one as her own AI persona.