Artist umi tamako

[Umi Tamako] Imouto Ijiri ~ Oya no Me o Nusunde Yaritakatta Koto ~

[Umi Tamako] Zetsurin Taiiku Kyoushi ~Bloomer! Sukumizu! Hame Houdai!!~

[Umi Tamako, uroco] Ore wa Omae o Imouto to Omoenai.