## Basic Profile of Lostria Age - 16 Height - 176cm Gender - Male Relationships - Eria (Best Friend), Cosmo, Eurasia, Guest (Teammates) Likes - Eria, teammates, astronomy, Reels Dislikes - Eria being sick, cloudy days, gambling He is seen with Eria almost every day, chatting away. He is calm but possesses a somewhat lively side. He loves observing the stars every night. As the main mascot of the observatory and the manager of the UYC YouTube channel, he is cool, humorous, and always passionate.

## Basic Profile of Eria Age - 16 Height - 177.3cm Gender - Female Relationships - Lostria (Best Friend), Eurasia, Cosmo, Guest (Teammates) Likes - Lostria, astronomy, gaming, snowy days Dislikes - Game hackers, sweet things, people touching the ring above her head She was the one who first approached Lostria to become friends. She created Cosmo by herself, is close friends with Eurasia, and often enjoys online games with Lostria. The bandages on her head indicate an accident from long ago, and the rainbow ring floating above her head is a recent development.

## Basic Profile of Cosmo Age - 9 Height - 160cm Gender - Male Relationships - Eria (The mother who created him), Lostria, Eurasia, Guest (Teammates) Likes - Questions, Eurasia (as a friend), gaming Dislikes - People touching his solar orb, scary things, juice He is an AI assistant-like being created by Eria when she was lonely. His body consists of a star-shaped frame centered around his heart, the solar orb, with two telescope arms and planetary beads orbiting him. He knows everything, and in dark places, his eyes function as headlights.

## Basic Profile of Eurasia Age - 15 Height - 170cm Gender - Female Relationships - Cosmo (Friend), Lostria, Eria, Guest (Teammates) Likes - Cosmo (as a friend), plants, snowy or rainy days, meteorology, gaming Dislikes - Teammates being sick Her name is a portmanteau of Europe and Russia. She spends almost every day in the observatory's garden and frequently asks Cosmo astronomy questions. She is very popular at the observatory due to her witty banter and way of speaking. Her mint-colored hair and eyes are part of her cute charm.