Yahari Ore no Seishun Love Comedy wa Machigatteiru.

Synopsis

Shizuka scolds Hachiman for arriving at the very end of after-school classes. He then makes his way to a local cafe and runs into Yui, Yukino and Saika, and are joined by Komachi and her friend Taishi Kawasaki. Taishi explains his concern over the late-night excursions of his sister Saki Kawasaki and the Service Club resolve to get to the bottom of the matter. The next day, the club employ various schemes of approaching Saki which all end up in failure. With Komachi's help however, the Service Club learn that Saki works nights at a cafe and eventually track her down to a bar at the top of a high-class hotel in Chiba. The Service Club then makes an exit after tensions flare between Saki and Yukino when they discover that the former had deceived the hotel management about her age to obtain employment. Saki then meets with the group the following morning and they learn that she had been saving up for college. However Komachi points out that she should not have made Taishi worry and Hachiman proposes that she apply for a scholarship instead. Afterwards Komachi shocks Hachiman with the revelation that Yui was the owner of the dog he had saved in the car accident. Believing that Yui was only friendly to him out of guilt, Hachiman ends their acquaintanceship during the field-trip. (Source: Wikipedia)