My Youth Romantic Comedy Is Wrong, As I Expected, Vol. 12 (light novel)

After the Valentine's Day event and trip to the aquarium, Hachiman, Yukino,and Yui decide their next step to take. But suddenly the Service Clubreceives a huge request! Yukino must answer the call, even if she regrets herchoice... Everyone has to grow up someday, and not every person you meetalong the way will stay with you. But until that day comes, there is only thepresent. What is the answer that these three hold close to theirhearts?