Time sure flies.The promise we made as kidsB-B-But...You can make kids...So we're finally graduating from high school today.Say, Riyu-chan.Do you remember the promise we made as kids?Eh?What promise...?What...?I promised that?Eheheh... well...Just kidding ♡A pun!?by giving kisses...How would two girls even make kids?Present a "Childhood Friends Yuri" in the square on the leftThe childhood friends' "Do you remember the promise we made as kids" cliche setting.Again, comment on the intention behind the "Yuri story" you presented in brief words.That we will make babies when we graduate high school.