Celebrate academic success with a steamy family getaway! After Shion aces her college entrance exams—a milestone celebrated by her mother and stepfather Ginji—the trio heads to a relaxing hot springs resort. During dinner festivities meant to mark the occasion in style and comfort of their new life together (Ginji being a mid-sized company CEO), Ginji strategically pours an extra round into his wife’s glass. The mother quickly succumbs to the alcohol and retires early to their room.
Just as Shion prepares to follow her mom upstairs for some post-dinner relaxation alongside her father figure/stepfather husband hybrid situation (though they are married!), Ginji stops her in her tracks. He claims he needs to 'teach' his beautiful stepdaughter some crucial lessons about navigating the complexities of romance before she steps out into the real world. However, this tutoring session quickly morphs from educational advice into hands-on demonstration. Despite Shion’s initial resistance, Ginji wields a powerful threat: refuse his advances, and he will sever ties with both mother and daughter, forcing them into a harsh existence on the streets.
For the sake of protecting her beloved mother from destitution, Shion reluctantly agrees to submit to her stepfather's desires. What she doesn't know is that the loving mother who championed this family unit secretly made a pact: she promised to offer Shion up to Ginji so he could settle his debts and secure a prosperous future for them all! Witness this intense dynamic as stepdad seduces his wife's daughter in a passionate hot springs encounter.
