I say that this is an anime original yet somewhat following the manga because of a certain portion that is adapted from the manga.
I admit that this is just an "okay" episode for me, but this somehow relieved me from the hanging ending of the Chapter 50. I think this episode wants to convey that Misa-chan is willing to accept Usui no matter what background does he have. HAHAHAHHA.
Even though this is just an "okay" for me, I am loving all the Usui-ness in this episode ♥
Usui went out of the Maid Latte and they found out about Usui's activities:
Went to an exclusive sports club to go for a swimming (This is where I am drooling over his body. WAAH!)
Bought expensive George Armani coat worth 500,000 Yen
Eat on a first class restaurant. At first Sakura thought that Usui is having a date with a girl, which saddens Misa-chan a LOT, a clear indication that she feels something special for Usui.
I think Usui knew that Misa-chan was troubled and so he went to his goofy mode and ran away from the restaurant wearing a kimono. He acted very differently and did all sorts of stuffs that would be very surprising, like:
Helping an old lady cross the street
With the useless and nonstop chase with Usui, Sakura and Shizuko decides to go home while Misa-chan sees Usui at a part. A new knowledge even for manga reading fans, Usui has a soft spot for animals especially for cats! He saw a stray cat and decided to bring it home to keep. However, the kitten (bad kitten x_x) is not really that friendly to Usui as it scratches his face, leaving him with marks.
As expected, Usui knows that he is being followed and is a little happy because Misa-chan is showing interest to get to know him more. He says that if Misa-chan asks for his address, he will be very willing to give it to her. He invites her to his home and even gives his home address, which she crunches up saying that she doesn't need it.
Later at home, Misa-chan is looking at the address of Usui's house and we see Usui living in a top floor room of a building and HE IS WEARING GLASSES WHEN HE IS AT HOME. KAWAIIIIIII!!! :)