ツンデレ北欧美少女のクラスメイトが、婚約者になった途端にデレ一辺倒になってしまった件について (Associated Names)

Toru Renjo, a high school student, was mediocre, amiable, and hated himself. At the other end of the spectrum is his classmate Aino Luhti. Aino, a blonde blue-eyed girl, is the most beautiful girl in school and the daughter of a Finnish conglomerate. No matter how you look at it, she is a special existence.…