Both FLs have strong personalities.
The story between the MLs and FLs are high school friends that later fall in love.
The events in both dramas are similar as well.

Both FLs have strong personalities.
The story between the MLs and FLs are high school friends that later fall in love.
The events in both dramas are similar as well.

Both MLs need the FML's kiss to give them the ability of taste.
Both ML's are in the industry of taste. FIY is a wine taster while KLT's ML is a chef.
Both go from a contractual relationship to a real one.
Both have a cohabitation relationship.