After graduating from college and moving to Tokyo for work, I used a three-day holiday to return to my hometown. There, I reunited with my sister after several years. She had quit her job and was enjoying a NEET lifestyle, wearing a tacky tracksuit. However, seeing my sister's unguarded huge breasts excited me, so I assaulted her and groped her chest. As a result, my dormant sex drive awoke, and I ended up being continuously demanded to have sex...
