Recently, my brother-in-law Jun has been living with us for several years now, leading a carefree life without going to school or doing much else. However, he seems to have found a new hobby recently that has brightened him up considerably. One day, out of clumsiness, I accidentally destroyed some important illustration data that he cherished. Enraged, Jun storms over to my place along with his friends, demanding retribution. Despite my apologies, he refuses to forgive me, marking the beginning of days filled with endless sexual encounters...