[Reducing Mosaic]JUR-522 "If it's just masturbation, then it doesn't count as cheating..." During the business trip without my brother, my sister-in-law is a 'masturbation addict,' and I am the 'exclusive AV actor' for Kana Hishibe Kana Hishibe

After graduating from college and failing to secure a job, I ended up working part-time in Tokyo while staying at my brother's place to obtain qualifications. My brother has always been strict and serious, working for a top-tier construction company in Tokyo and always seems busy. Supporting such a busy brother is his wife, Kana. Unlike my big bro, he's a bit laid-back but very kind and seems to have a good relationship with his wife. Just as this freeloading started its first week, suddenly he had to go on a business trip for 2-3 months―