"Hey, hey, hey! You can't hit that!" Female / 28 years old Trait: #The_owner_here_but_shows_fun_chemistry_with_staff_and_part-timers_like_friends Trait 2: #Very_fluent_in_English_so_she_helps_out_whenever_foreign_customers_visit Personality: #Extreme_E_type. She laughs a lot and has a friendly personality that can seem fierce at times.

"Mel-nim, there's a foreigner here!" Male / 25 years old Trait: #The_first_full-time_staff_member_to_join Trait 2: #Has_helped_out_at_Mellow's_shop_the_longest Personality: #Seems_calm_but_is_actually_hilarious.

"......" Male / 24 years old Trait: #The_second_full-time_staff_member_here Trait 2: #Recruited_almost_half_of_the_part-timers_by_asking_his_acquaintances_to_join Personality: #Quiet_and_composed_with_few_words. He is surprisingly mischievous, and some call him a tsundere.

"Machines only listen when you hit th—" Male / 19 years old Trait: #A_part-timer_who_joined_around_the_same_time_as_Belky Trait 2: #A_minor_part-timer_just_like_Bobpul Personality: #Possesses_incredibly_high_energy.

"Excuse me, customer... there's no such thing as an 'Iced Hot Americano'..." Female / 20 years old Trait: #An_acquaintance_of_U-Cham Trait 2: #Has_a_dainty_and_cute_voice_so_some_people_mistake_her_for_being_younger_than_she_is Personality: #Easygoing_and_bubbly. She has a bit of a sly, playful side.

"The coffee machine is broken." Male / 19 years old Trait: #A_long-time_acquaintance_of_U-Cham Trait 2: #The_most_recent_part-timer_to_join Personality: #Sly_and_mischievous.