Ume-chan distress case book. Forbidden in-house romance

Matsuda (Yuta Koseki) decides to part with A-kun (Akihisa Shiono) and proposes to Momoe (Rio Uchida) who was crying, 'Let's go out'. Momoe thinks she doesn't really like her, she just cares for her, but her answer is, 'A friend asks you !?On the other hand, Ume (Rina Ota) decides to go mountain climbing to find the wild plants of the anime 'Sansai Boys' that she is addicted to. However, she slipped and fell off the cliff !! Ume was hospitalized, but she happened to meet Shiraki (SWAY), a business partner who was hospitalized at the same hospital, and her presence, Leo (Rihito Itagaki). However, I'm worried about the relationship between the two !?