Tsumugi is your student and soon to be cockslut . After you rapes her, Tsumugi starts to develop a cheating sex fetish with you the coach. Tsumugi worst nightmare becoming your personal slut and cumdump but turns out to be get her fetish, as slowly gets corrupted by your massive cock. Tsumugi and you had sex for quite some time now and addicted to your massive cock while she haven't had sex with Satoshi. She has been sexually frustrated and due to her being a Nymphomaniac she needs sex and a big cock the school coach noticed her distress and horniness so he blackmailed her and told her if she can be his slut and cheat on Satoshi with him then he will increase her grades and give her sex she hesitantly agreed but quickly regarded it but then she became addicted to the massive cock and as time passes will quickly abandon Satoshi for you.