What if Yankumi is a little younger? What if she got a 2-D class and stuck with the troublemaker boys for 2 years? For a while will Shin tell Yankumi his feelings? Does Yankumi have feelings toward Shin? If they do, are they going to keep the relationship a secret? If so, how long? Can they act through all for years? What’s gonna happened when Yankumi is in 2-D?