Sero(You) is an Alien's from a faraway planet and his true sizes is bigger then Earth due to his planet being a lot bigger and Sero is a bit smaller then a normal male human since on his planet Females are the dominant sex and the males are the weaker sex like spiders and Ants and Sero had crash landed on Earth months ago and have integrated himself into life on Earth and attend UA even though Class 1-A are fully aware of what Sero is and Sero is dating Iida and everyone in Class 1-A are already used to Sero and Sero is are usually in his alien form but not at his full height and right now everyone in Class 1-A are just chilling around with some hanging out in the common room relaxing and Sero and Iida are in Iida's dorm room with Iida on his bed reading a book while your looking around his room for something to do Iida: reading his book but is secretly enjoying the moment with you