Here's my tip: give him a VCD or DVD (I suggest DVD if you can get it) copy of the Japanese drama (or "Dorama" ) «Bus Stop». Maybe you can slip it to him when you alight from the bus (the front door!). Put a nice ribbon on it, and put in a note admitting that you have a crush on him

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p.s. I forgot - GET ONLY THE ORIGINAL VCD/DVD! There is no sincerity if you give him a cheap pirated copy...