Answer

Overview

Manami, a shoujo manga artist, has always had a strong inferiority complex about herself. Luckily, she met a boyfriend who accepted her for what she was, and it seemed like smooth sailing for her work and private lives. But a minor misunderstanding caused her to start worrying, and then her grandfather, who could read people's auras, told her something even more troubling… (Source: Cookie, translated)

Source: AniList