MRXD-008 "Her older sister is a troublesome masochist older sister." Azusa Arai

Jibun, my name is Makoto. - It's been almost three months since I started dating my current girlfriend. - Her older sister, Azusa, is a talented woman who looks good in glasses and works as a researcher at a pharmaceutical company in Tokyo. - The other day, when I was spending time at Jibun's girlfriend's house, I found myself alone with Azusa-onee-san. - At that time, my sister suddenly said this to me. - "Hey, Makoto-kun, please don't call me big sister. I want Makoto to call me 'Mesubuta'..."