The Usami couple run a coffee shop. The husband, Jin, runs the business while his young college student wife, Koi, provides support, The couple's reputation as a loving couple was good, and the store was thriving. They first met a few years ago when Jin saved Koi from being a victim of molestation. This led to their relationship and marriage, and they lived happily ever after. However, the love of his beloved wife is once again under the influence of a molester. In the public space of the train, love is tossed about by the forced pleasure of being molested. Jin vows to ride with her on the train, secretly watch over her, and try to subdue the culprit, The molester, Aoya Nanamori, attempts to make contact with Jin, who vows to take down the criminal. However, Nanamori is shocked to hear from Jin that "she was feeling it. Jin's mind is filled with doubt and shock, wondering if Koi really felt it. He then sets out to confirm the molestation of his beloved wife to see if what he said was true, He secretly follows her to see if she is telling the truth. He is unaware that deep inside his heart, a warped desire is beginning to awaken. And then, Koi is once again a victim of molestation. And Jin watches her molestation. Cute ...... Jin forgets his position as a husband and gets excited at the sight of his wife being made to feel the hands of a man other than himself. Such an evil excitement destroys the love between the lovebirds. ......