f(x)'s�Krystal�and model�Ahn Jae Hyun�got comfortable with each other as a cute campus couple�for sportswear brand 'Puma'!

SEE ALSO: Krystal and model Ahn Jae Hyun cozy up for 'Puma'

Krystal and Ahn Jae Hyun enjoyed a date indoors, had their bookworm moments, and even went out for a street date while holding hands.The couple opted for comfort in their 'Puma Disc 2.0' sneakers which are the perfect accessory for any casual date.

Krystal recently showcased her singing skills as a member of the project group�SM The Ballad while Ahn Jae Hyun is making a name for himself as a model-turned-actor as Chun Song Yi (Jun Ji Hyun)'s younger brother Chun Yoon Jae in 'You Who Came From the Stars'!