冷 rated 俑之城 as harder than Mother and son

冷 rated 罗小黑战记 as harder than Mother and son

冷 rated 我可以请你跳舞吗？ as easier than Mother and son

冷 rated Mother and son as easier than 苏州河

冷 rated Mother and son as harder than Left and Right: the conjoined brothers

冷 rated Green Phoenix as harder than Mother and son

冷 rated 查無此心 as harder than Mother and son