Kowamote no Kyojinkun wa Flag dake wa Taterun desu.

There was a boy with a colossal body and scary face, but is actually extremely kind at heart. His name is Fufudou Gorou. He was often misunderstood by the people around him, but gradually, several girls began to see the charm he held. One day, he met the voice actress Momonomori Momori. The giant feared by the student body, and the popular idol beloved by the school. The two seemingly unmatching characters were bound by a strange bond. This is a story of a giant with low self-esteemed coming to be able like himself and be loved. Source: Shogakukan