[Someone destroyed all the info contained in this wiki, so it's my apologies that this isn't very good]
1chi is a character in Gacha life. He has glasses and white hair with multiple red stripes. In his mini game, you have to answer progressively math problems in a limited amount of time, if you are too slow or failed a question, you will lose a life. Go to the school, find classroom 1a to see him inside.