[Hiyashi Makura] Toaru Natsuyasumi no Chitsunai Hounyou Renshuu Nisshi - Boku no Daisuki na Seo-san o Shoubenki toshite Shiyou Shita 28-nichikan | During summer break, I practiced internal urination for 28 days using my beloved Seo-san as a urinal. [English]