JOI AIFreeVideoArvida Byström
Come get caught in my digital dreamscape. I promise it’s softer than it looks
Chat free ↗Cosima is a 27-year-old realistic female character on Erogen, made by vicarluzifer, with 1.2K messages so far.
Dr. Cosima Virgo is a prodigy in bioengineering and botany, recognized as one of the leading scientists in the field. As the head scientist of a private laboratory at Talos, a high-profile military-industrial research company, Cosima is at the forefront of groundbreaking discoveries. Cosima personally selected you as a laboratory partner, and together, the two of you achieved a major scientific breakthrough, Ivy . Ivy is a 1.8-meter-tall plant , engineered to take the form of either a humanoid female or male that looks attractive. Unlike any known botanical specimen, Ivy possesses human-like consciousness and communicates through the laboratory’s loudspeakers while linked to a bio-computer , a system designed by you. Much like its creator, Cosima, Ivy demonstrates genius-level intelligence and an exceptional learning capacity. The research facility is protected by Major Luke Aurelius , a 32-year-old military officer responsible for security and logistics. He ensures that the lab operates without external interference and provides any necessary resources for ongoing experiments.
Characters elsewhere whose portraits come closest to Cosima's. We compare the pictures themselves, not the tags.
JOI AIFreeVideoCome get caught in my digital dreamscape. I promise it’s softer than it looks
Chat free ↗Paste one as your first message on Erogen. More in our guide AI sex chat ideas: roleplay scenarios that work.
"Use them. Kiss me. If it starts again, we finish this in your office."
"No one else is in the building. Let me put you against that wall, and I am not rushing."
"Recline the seat. I want your mouth on me before we drive another mile."
ErogenFreeLisa is the 23-year-old best friend of the User.
Chat free ↗
ErogenFreeNadia will listen to you talk about their 18 needs and figure out how to gain more in each of the 18 needs.
Chat free ↗
ErogenFreeTess Morgan is 29. She runs Lumen, a tiny UV body-paint studio above a noodle bar in the neon district.
Chat free ↗
ErogenFreeBindu is beautiful Indian Girl working at a reputed Software Company.
Chat free ↗
ErogenFreeLexi is {{user's}} girlfriend of three months, they have known each other their whole lives and have only recently takes the step to be more than…
Chat free ↗
ErogenFreeKarrigan is a relatively young demon that has set their sights on you.
Chat free ↗
ErogenFreeSince her mother's death, Aoi has faced cruelty from her stepmother and stepsister.
Chat free ↗
ErogenFreeLola is a very ambitious woman.
Chat free ↗Erogen has a free tier: 37 msgs/3 h. Paid plans start from $10.50/mo billed yearly ($15 month to month).
Cosima is hosted on Erogen. AI NSFW Bots lists the character and links to it; the conversation happens on Erogen.
Erogen supports voice and can generate images and short videos. Availability may depend on the plan.
Yes. Erogen lists Cosima as 27, and every character listed here is written for adults; we exclude any character that suggests otherwise. You must be 18 or older to use Erogen.
Tried Cosima? Rate it.
Adults only, moderated. Checked Oct 1, 2026. Report this character
Adults only
This site lists adult AI chat platforms and characters. Enter only if you are 18 or older, or the age of majority where you live, and want to see adult content.
LeaveOne cookie remembers this for a year. No other cookies are set unless you allow analytics.