Attending the wedding ceremony of Rina (Akane Hotta), Ren (Yuki Izumisawa) was blown away somewhere. He decided to marry his lover Mizuki Asai (Karen Miyama) after the announcement of his presence in Singapore. The days in Singapore were too calm, but Mizuki was a little worried about talking about Rina. Ren thought he had no feelings for Rina anymore. Meanwhile, when he returns to Japan temporarily, he witnesses Nikaido (Kouhei Takeda) walking intimately with a woman other than Rina. Rina may not be happy now. Ren, who was worried as a 'friend', contacted Rina after he was at a loss ...