Time rewinds a little to when Yujin was about to leave his accommodation.  
There were two people warmly seeing him off.

“Be careful and have a good time, Yujin.”  
“Yeah. I’ll be back, Aika.”  
“Hehe ♡”

One was Aika, his cohabitating mentor, who giggled when addressed by name.

“……”  
['???' waves goodbye to him.]

‘Why does the saintess seem softer every time I see her?’

The other was the saintess, who had recently gained a bit of chubbiness in her cheeks.  
The corners of her mouth curled up in a …