Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.
Naoyuki Hibino, a second year high school student, has a brother and a brother he is proud of.
Toshikazu is an eight year-old older brother of a popular novelist, and Yusuke is a one year-old younger brother who is blunt but gentle.
Both of them are cool and popular with girls. On the other hand, Naoyuki is normal everywhere.
Friends sometimes make fun of me as Blacon, but Yusuke is an important and pretty brother, and my brother Toshikazu can talk about anything, and I thought I knew everything about Toshikazu.
But one morning, Naoyuki knew that his brother had a boyfriend?