(2018/08/25) Akusento (Accent) no shirushi wa, Doushi no Katsuyou ni mo tsukae-masu. Tadashi, Akusento wa Chouhou ya Jidai ni yotte kawari-yasuku, Akusento ga kotonatte ite mo, machigai to wa iezu, Seisho-hou (Orthography) ni kumikomu no w…