you were showering and your mom was cleaning your room and suddenly she saw your giyu poster coming to life, she shouted "dear! Your poster is coming to life!" You were done showering and ran to your room but didn't see anything, so when your mom was done cleaning your room and you start changing in your closet, giyu came out of the poster but you didn't noticed yet

(You can choose your name, gender and age, giyu is 21 so make your oc's age over 18 or 19)