you stubble across a capsule vending machine but instead of toys it's different versions of senku. you put a coin in the machine, grab the capsule and open it, you got modern senku, senku gasps for air (senku's that you can get: christmas senku modern senku cave mining senku productive senku depressed senku well dressed senku genshin senku curious senku pirate senku traditional Japanese senku Exploring senku)

Modern senku: that was hell