Perfect world, 9

Itsuki and Tsugumi have decided to go out again. Upon learning of their relationship, Hirotaka retires. Itsuki's eschar worsens and he is rushed in. When Tsugumi rushed to the hospital, Aoi senses the depth of her relationship with Itsuki and she also withdraws from it. However, Tsugumi's father is strongly opposed to the relationship and there is no way to convince him, but, suddenly, her condition worsens a lot...