IENE-065 Onii-chan, I'll give you shite. 5 Mamiru Momone

My older brother who goes to cram school is a little unreliable and can't do anything without me. I can't leave my brother alone, so I end up taking care of him. One day, an incident happened. When my father's subordinate, who is actually dating me in secret, came to my house, my brother saw me having sex with him...