An epilogue to Senran Kagura: Arkanum and a prologue to the next story of Senran Kagura: Darkness series.

No longer able to conceal her deep feelings anymore, Suguha Kirigaya, A.K.A. Leafa, has decided to take it upon her own hands to have her brother Kazuto, A.K.A. Kirito, become her lover and have sexual affairs with him in secret. And thus, the Kirigaya Sibling Affairs began. Will the two be able to continue it without anyone finding out about it, especially Asuna? (KiritoxLeafa)