"The ogre friends I kept a secret from everyone. They disappeared before I knew it but they came back to save me——"

A vibrant threesome between childhood friends, a red ogre, a blue ogre (giants) and a misfortunate princess.
Kisara is a princess thrown into an unwanted marriage. On her wedding night, just as she was about to be forcibly taken, the twin ogre friends she hadn't seen for some time, Ginkaku and Kinkaku, came to her rescue. After rescuing Kisara, the twin ogres set out to fulfill the promise to be bonded they made to Kisara long ago——

About the twins sizes, they can expand and shrink their bodies.
There are some vigorous sexual intercourses but this is a vibrant love story at its core.