Mikage Ranran's profession is a super assistant. Although she enjoys the absolute trust of popular manga artist Ifuu Tango, she struggles every day, unable to give up her dream of becoming a manga artist herself. Will she be able to debut as a manga artist, or will she just continue to drift along as a "professional" assistant...? She's on the verge of giving up, but she can keep going because of her boyfriend, editor Watari Tenpei. But then, an unwanted intruder appears, trying to interfere in their relationship!? ...Wait, is that Mr. Tango!?
What will become of Ranran's love life and career...?
(Source: Shogkukan, translated)
— Description from AniList community (anilist.co).