Yuito's first love began at 15, when his classmate Kouta asked him out. 15 years later, they're in a rut, and those sweet days of puppy love are nothing but a distant memory. Every time they open their mouths, it starts another nasty argument. On their 15th anniversary, Yuito tries to save their relationship by surprising Kouta with a nice home-cooked dinner, but his plan backfires spectacularly... He's nurtured this love for years... and he's determined to get it back.