Oniichan
ChatbotContact sales
Create and chat with anime AI companions—customizable, immersive, and private.
Last updated Apr 18, 2026
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What is Oniichan?
Oniichan's Top Features
Key capabilities that make Oniichan stand out.
Customizable anime AI companions (waifus and husbandos)
Character creator for appearance, personality, and backstory
Immersive roleplay and scenario modes
Real-time text and low-latency voice chat
Memory System for context and preference retention
Optional 18+ NSFW interactions with adjustable boundaries
Anime-style image and short video generation
Multilingual support (e.g., English, Japanese, Spanish)
Cross-platform apps (web, iOS, Android) with sync
Community character gallery for sharing and discovery
Premium tier with unlimited messages and priority responses
Free tier with daily message cap (e.g., 50/day)
End-to-end encrypted chats and strict privacy policies
No-refund policy and 18+ age restriction
Use Cases
Who benefits most from this tool.
Anime fans
Chat with a personalized waifu/husbando that matches favorite archetypes like tsundere or kuudere.
Roleplay enthusiasts
Run immersive romance, fantasy, or slice-of-life scenarios with dynamic, branching dialogue.
Mobile users
Engage in low-latency voice chats and text conversations on the go across iOS and Android.
Privacy-conscious users
Enjoy encrypted, private conversations with strict data policies and no third-party sharing.
Creative writers
Co-develop character backstories and storylines, or brainstorm plot ideas with the AI.
Language learners
Practice casual conversation in English, Japanese, or Spanish with adaptive responses.
Gamers & otaku communities
Share and discover community-made characters in a public gallery.
Subscribers seeking depth
Use premium for unlimited messages, custom character creation, and priority responses.
Visual content seekers
Generate anime-style images and short videos of characters in different outfits and scenes.
Companionship seekers (18+)
Explore flirtatious or romantic interactions with optional NSFW settings.
Tags
animechatbotroleplayvirtual companionsAImultilingual supportmemory-driven contextNSFWcustomizationtext conversationvoice conversationwebmobileprivacycommunitymedia generation
Oniichan's Pricing
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Frequently Asked Questions
What is Onii-chan?
Onii-chan is an AI chatbot app for chatting with customizable anime-style virtual companions (waifus and husbandos) via text or voice, with roleplay and memory features.
How do I get started?
Sign up on the website or mobile app, pick a character from the gallery or create your own, and start chatting instantly.
What’s included in the free vs. premium plans?
Free users get up to 50 daily messages and access to basic characters. Premium ($9.99/month or $99/year) offers unlimited messages, priority responses, custom character creation, and exclusive content.
Does Onii-chan support NSFW content?
Yes, NSFW mode for adult conversations is available (18+ only) with adjustable character boundaries.
Will the AI remember our conversations?
Yes. A built-in Memory System preserves context, preferences, and chat history to keep interactions consistent over time.
Which languages are supported?
The platform supports multiple languages, including English, Japanese, and Spanish, adapting to the user’s input language.
Can I create and share my own AI companion?
Premium users can fully customize characters and share them via a public community gallery if they choose.
Is my data private and secure?
Chats use end-to-end encryption, are stored securely, and are not shared with third parties.
What platforms can I use?
Onii-chan is available on web, iOS, and Android with syncing across devices for chat, voice, and media.
What is the refund and age policy?
Subscriptions are non-refundable per site policy, and the service is restricted to users aged 18 and over.