Nke a bụ ntụtụ enamel nke na-egosipụta mkpụrụedemede sitere na ọrụ "Doukyuusei". Ntụtụ ahụ bụ okirikiri, nwere mkpụrụedemede abụọ gosiri na ya. Otu agwa nwere ntutu isi ojii ma yi iko na uwe pink, ebe nke ọzọ nwere ntutu isi na-acha odo odo ma yi uwe na-acha anụnụ anụnụ na nke ọcha. na-egosi susuo nwa - àgwà ntutu isi. N'azụ nwere akụkụ uhie nwere ụfọdụ nkọwa ọcha. N'elu ntụtụ ahụ, Edere “Doukyuusei” na n'ala ala,” ka edekwara Licht & Hikaru.
