Mrs. Yuki, who moved in recently and lives in room 302 right above mine, still climbs the stairs with a playful wiggle of her hips. As an admirer of bottoms, I was instantly captivated by hers. However, she is a married woman, and I cannot simply make a move. I was filled with jealousy towards her husband, which only grew stronger with frustration. Then, a perfect opportunity presented itself. As usual, I was admiring her lovely bottom on the stairs when she lost her balance, and her bottom fell right towards me. I felt a blissful sensation from the impact of her bottom flesh, but I also fell over. Worried about me, she tried to call an ambulance, but I stopped her, asking her to take me to my room instead. There, I asked her to massage my lower back where I had fallen and my hip joints. She worked diligently, and the bounce of her bottom flesh was exactly the sight I had hoped for, causing a certain part of me to grow considerably...