MINAMI Touko Manga

From Chibi Manga:When she was 5, she lost her mother. Since then, Ririko has to help out her father. Her father started a company of handyman. but then, something horrible happened...

From Wild*Hope:Taki is the cool yet strange guy in Mio's class. She bumps into him at the subway station after school and saves him after he almost gets pushed onto the tracks. The next day, he returns the favor by saving her from an incoming car. This marks the start of Mio's love.