[TSF Mousou Chikusekijo (Kuratsuka Riko)] Starting Today, I Am The Girlfriend!

A scheming office worker uses magic to trade bodies with a soft-curled coworker, transforming into the ponytailed girlfriend of a handsome suited man named Takaaki and scoring a private pre-wedding getaway at a reserved hot spring inn. Lounging in yukata over sake, with bare legs and a generous bust spilling loose, the new girlfriend gets far more than she schemed for when her fiancé reveals he has known about the body swap and mind manipulation all along, because he is a sorcerer too. Years later the couple returns to the same inn with two kids in tow, still flirting shamelessly and teasing a third child, in love forever.