Since this is essentially a big commercial for Lotte shops, for what it is it is nice.
Episodes are short and most of them interesting.
For a series called 7 First Kisses, there is no kissing at all, which is a bit disappointing.
Still, fun and quirky short episodes, especially 6th episode with Ok Taecyeon which had many typical soap opera tropes.
Overall, nice little show with incredible cast, great for killing time (if you don't mind Lotte advertising which was at moments cringy). Would recommend because episodes are so short and can be watched in one slow workday.