From Chibi Manga:
Handsome and respectable, Everyone call him as prince. for some reason he's in a contract marriage. His partner has a very ugly face and attitute!! A perverted virgin teacher, Iwasaki Kinuko!

Ah~~ there no one who can be such a bully and demanding like her
...eh... but, she made such a face while kissing...
...moreover, why am i to this old woman....
My heart goes a pit pat carelessly!?!?

impossible, impossible, impossible!!
definitely not to this old perverted woman!!!