Dude's Manual (2018)

He Xiao Yang (Dong Zi Jian) has been single for years until a false rumor sees him 'dating' Guan Xin (Elaine Zhong). In order to restore her reputation, she agrees to help him chase after Li Shu Shu (Jessie Li). However, the duo find that Guan Xin's lessons are changing them both.