The title of Hinatazaka46 4th single, which will be released on February 19, 2020, has been revealed which is 'Sonna koto Nai yo (ソ ン ナ コ ト ナ イ ヨ)'.
This single will be released in 4 types, they're type A ~ C (CD + Blu-ray) and Regular (CD).
2nd generation member, Hamagishi Hiyori who has been on hiatus from the group's activities since June 2019 will continue her activities as a Hinatazaka46 member starting with the group's 4th single activity.