It focuses on the "upgrade" and how it enhances the subject's (Tachikawa's) performance.
Simply put, watching Rie Tachikawa in SD was like viewing a masterpiece through a fogged-up window. You could see the shape, but you missed the artistry.
Assuming you're looking for a Full HD experience related to Rie Tachikawa, here are a few possible scenarios:
Do yourself a favor and upgrade your viewing experience. Your eyes (and your appreciation for peak character design) will thank you.
