Synopsis: Secret Note

At 15, Itsuki became an orphan and had to provide for himself and his grandmother. Although classified as an unknown beta gender, he worked hard to meet their needs, securing a job with a well-known alpha household. However, he faced challenging situations with his bosses. Kaisei, the younger sibling, displayed hostility towards all genders, while Ujou, the elder sibling, held biases against both betas and omegas. Itsuki's struggles multiplied when his true gender was exposed.