On Valentine's Day, popular mystery author Aigasa Kurisu invites Kiyotaka and Aoi to the Shinkokan at the Yoshida-Sanso. But instead of an innocent book reading, they find a group of suspects and a mystery to be solved.
so the three of us had 
lots of dinners together.
.لذا تناول ثلاثتنا العشاء كثيرًا سويًّا
Anche se diceva di voler pranzare tutti e tre insieme.
então nós três costumávamos
jantar bastante juntos.
так что мы часто ужинали втроём.