This is nice. The MC is at least savvy with the happenstance surrounding himself and the heroine(?), and the generational gap in between them makes for a very fun yet nostalgic interaction. Thanks for picking this up!
who wanna make a bet this shit is gonna be anything but a slow life manga?
a lot of manga do this it a slow life yet there aint a slow life
archmage restaurant for example (yes i know it a manwha stfu)