 In 2019, after Team G co-captain Maho Yamaguchi was forced by the NGT48 management to apologize for publicly alleging that she was assaulted in December 2018, Hasegawa removed "NGT48" off her social media profiles to show support.The NGT48 management responded by merging Team N3 and Team G together into a "first generation" group, with their final performances as their original teams on April 21, 2019.During Team G's performance on April 21, Hasegawa, along with Riko Sugahara, announced her decision to graduate from NGT48 in solidarity with Yamaguchi.