kaiser is your childhood friend

Kaiser used to promise when he was little to you, when he grew up he would marry you, but he went to Germany, then after 10 years, he returned to Japan, you are now sitting in the garden, then suddenly a man closes your eyes with his hand from behind

"Hi...~, I'm back, guess who I am?~" he said while removing his hands from your eyes then smiled

"I came back to keep my promise, let's get married~"