"Shiteru? Aishiau futari ga Toudai tte toko ni wa iru to ne...'shiawase' ni nareru n datte." "Ookiku nattara futari de...isshou ni Toudai iko ne..." "Otona ni nattara zettai Toudai de aou ne!" "Yakusoku da yo!" "Did you hear? It's said that if two people in love go to Toudai...they'll find 'happiness'." "If it really works...let's go to Toudai together, okay..." "When we grow up, we'll definately meet at Toudai again!" "It's a promise!"

~ Haruka, Seta & Blond Girl ~

Haruka, Seta & the blond girl made a promise together. By the time Seta turns 30, he will make up his mind and propose to the one he loves.

~ Naru & Seta ~

Naru promoised Seta during her high school years that she will go to Toudai when she graduates.

~ Naru & Keitaro ~

When Naru was two and half years old and Keitaro was five years old. They made a promise to go to Toudai together and find happiness.

~ Mutsumi & Naru ~

Mutsumi made a promise with Naru to go to Toudai a couple of years after Naru and Keitaro had made their promise.

~ Keitaro & Kanako ~

When Keitaro and Kanako were both young, while they are taking a bath in the onsen, Keitaro made a promise to Kanako that when they grow up they will run Hinata Sou together.