After returning to my hometown following many years of studying and working in Tokyo, I found my older sister still the same, a hikikomori who spends her days playing games in her room. She wears loose clothing and no underwear, causing her breasts to be subtly visible in front of me. One day, when our mother went out shopping, I accidentally caught her masturbating in her room! Unable to resist her seductive allure, I entered and inserted my penis into her vagina! It seemed like she had no intention of avoiding it, even cooperating with me! And after that incident, she actively sought me out, engaging in secret sexual activities with me during my stay here...

Diễn viên: Himeka Iori