Ren agrees to take Mana around to see the town, but she's anxious about and uncomfortable around Monster Strike.  When Ren gives her a MS ring, however, she gladly accepts it, thinking it's an engagement ring.  When she realizes her mistake, she runs off in shame... and that's when a monster makes it move.
In Japan, girls can marry at 
age 16 and boys at age 18.
In Japan dürfen Mädchen
doch ab 16 Jahren
En Japón las chicas
se pueden casar con 16 años
En Japón, las chicas
se pueden casar con 16 años
Au Japon, les filles peuvent se marier
à 16 ans, et les garçons à 18,
In Giappone le ragazze si possono sposare
a 16 anni e i ragazzi a 18.
No Japão, garotas podem 
casar aos 16 e garotos, aos 18.