The series follows Asuka Mitsurugi, a prodigiously talented but arrogant High Wizard. On the night before the final battle against a great evil, Asuka decides she needs to solidify her bond with her partner and lover, Kei. Consumed by a mix of ambition and lust, she goes to his bedroom to initiate a passionate, mana-fueling sexual encounter. The entire arc is an intensely pornographic exploration of their relationship, where magical power is directly linked to raw sexual energy. Asuka uses her body and magic to completely dominate Kei, demanding he fill her with his seed to boost her powers for the upcoming fight. Their fucking is depicted in graphic detail, from the moment her wet cunt engulfs his cock to the explosive creampie finish that leaves her overflowing with his essence, her magical aura surging as a result. The story is a single, focused narrative on this one night of unrestrained fucking, culminating in Asuka achieving a new level of power through pure carnal pleasure.