Nasa realizes he's been so enthralled with newlywed life he forgot to tell his parents he's gotten married. He tries to wrap it up with a simple phone call, but Tsukasa decides she wants to meet his parents. While Nasa is anxious about a potentially embarrassing meeting, the two of them head to visit Nasa's parents in Nara.
That explains it. You get your 
intelligence from your parents, then.
.هذا يفسر كل شيء. حصلت على ذكائك من والديك إذًا
Verstehe. Die Intelligenz
liegt wohl in der Familie.
Ya veo, heredaste
la inteligencia de tu madre.
Ya veo, heredaste
la inteligencia de tu madre.
Je vois. Ton intelligence
te vient de tes parents.
Questo spiega tutto, 
hai preso la tua intelligenza dai tuoi.
Já entendi. Puxou sua
inteligência de seus pais.
Понятно. Значит, умом
ты пошёл в родителей.