[forujahna]

A tea bar - to serve milk tea, shakes, flavored tea
Snack bar - to sell snacks like pocky, ramen, smaller cakes and cookies
Book readings - celebrity and up and comers guests to do book readings of their manga and book signings
Manga raffle/competition - Manga trivia bowl for a manga gift basket
a lounge - to discuss manga/anime
Art lessons - How To Draw manga lessons
Drawing contest - for prizes or notoriety