The Extreme Sukiyaki(2013)

Original title: ジ、エクストリーム、スキヤキ

Former college buddies Horaguchi and Okawa suddenly reunite on a whim after 15 years apart and try to resume their friendship by planning a trip together. Meanwhile, Okawa’s live-in girlfriend Kaede and the pair's old friend Kyoko get roped into joining them. Soon, the four head off on a trip together with the goal of sharing sukiyaki by the sea.