assuming he/she likes to go nature trips ... if he/she has a big budget, i will take him/her to amanpulo, (rain or shine) 

if so-so budget, bohol or baguio or boracay, (shine only) 
if no budget, breakwater at ccp complex or parks and wildlife will do. (shine only) 
assuming he/she wants to go club hopping or karaoke, i will just have to introduce him/her to the 2 pornstars-look-a-like named
alu and win
. for sure, they will enjoy the company of these two bec they know lots of things around the metro. club hopping is not my thing.
for food, sakura and furusato. for ramen, dosanko. to assail him/her a share of guilt, corregidor. 
if so-so budget, we can grocer and i will just have to cook for him/her at home. at least, we have a list of (borrowed) jdoramas and jsongs to choose from.