【Book Release & Comic Adaptation】It has been published as a book by Kadokawa Beans Bunko! The comic adaptation, with art by Oita Roi-sensei, is also currently being serialized. Volume 2 will be released on June 1, 2023.

When she was eight years old, Wilhelmina, a duke's daughter, misunderstood the boy Nigel, who was brought to the mansion as her step-brother, as 'her father's illegitimate son.' Remaining under that misunderstanding, she continued to bully her step-brother.

The very day she realized her mistake and tried to apologize, Nigel had already moved into the 'Knight Academy dormitory'…

Several years passed without her being able to apologize. When her step-brother was chosen as her escort for attending the noble academy, Wilhelmina found herself in a predicament.

A taciturn step-brother who is actually obsessed with his sister × a strong-willed duke's daughter.

Until Wilhelmina, who believes she is hated, realizes his doting love and finds happiness.

Updates are leisurely, approximately 800-1500 characters per day. It is planned to conclude around 80,000-100,000 characters.

Also partially available on other sites.