Whistle Cafe is a cafe in Nishiwaseda, Shinjuku City, Tokyo, near Waseda-dori, serving both meals and cafe items. Its menu includes berry waffles and several kinds of pasta, with food and desserts served together. The colorful shop has window-side bar seats for one, sofa seats and tables, and many children's picture books. The lunch menu changes daily, and sets that include a drink are available.