Things have been tense between Ryuto and Runa since the culture festival. Ryuto plans to tell Maria they can't be friends anymore, but a shocking incident leads to a discovery that changes everything for Maria, Runa, and Ryuto. 
Mm-hmm!
!نعم
Darf ich dich von nun an
Marimero nennen, Kurose?
Bah oui, quoi !
Già!
Sim, sim.
Угу!