Hodoite, Musunde is a Manga/Manhwa/Manhua in english language, ROMANCE series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Ms. Nohara is next to me when we change seats. Her hair is very beautiful, but she is clumsy and can't seem to do it herself...? Haruki, who sets his sister's hair every morning, suddenly finds himself setting hers. As they tie her precious hair, they gradually become more and more aware of each other and grow closer. Untying and tying, their hearts are spun by their hair. "A high school romance about a boy who is growing closer to a clumsy girl while fixing her hair."