T28-547 After returning home, I had secret incestuous intercourse with my sister whom I hadn't seen in a while, without telling our parents. Mai Hachimori.

On the eve of the summer festival that happens once every three years, my sister 'Mai' eagerly awaits my return. My sister, who has always been a crybaby, bravely looks at me now. Unbeknownst to me, she has grown up a bit and I can sense her womanhood, so I push her down. 'If it's you, big brother, that would be okay. I've liked you for so long… I'm happy.' Her disheveled breaths and sweet-sour scent, knowing our love is impossible yet falling into the taboo of incest...