[If there's one thing Sheryl doesn't want is for people to worry about her, and seeing Ranka do just that, holding her hand, too... well, it certainly makes her feel bad. The corners of her lips forcibly curl upward, forming a reassuring smile, all in an attempt to calm her friend down.]

But I'm fine now! I've been cured thanks to you... [She laughs softly.] I'll explain that later, trust me.

[The process is complicated, something that not even Sheryl can fully comprehend herself, but it's the truth. The smile on her face subsides eventually, morphing back into a frown. There is still a lot she has to reveal, solemn words at that.]

You and Alto both noticed how I've been fainting and coughing, I'm sure. [She releases a faint sigh, pausing briefly.] It turned out that I've been carrying the V-Type infection all this time, but I'd never found out about it until recently. When Grace told me that I was literally dying, I thought it was just a lame threat... but as soon as I found Cosmo Nature—

[She slowly rests her free hand on top of Ranka's. Despite feeling the heaviness in her heart, she has to keep talking.]

The article— from it, I learned that Grace researched the sickness, plus I noticed a picture of me when I was a little girl in a patient report. All I had to do was to put two and two together. Apparently it was for some experiment...