Hayato and Ui are enjoying a relaxing evening at home eating dinner and studying. But they're bothered by Rin's numerous visits to her sister's place next door.
You should be a bit gentler 
with girls, Izumi-kun.
Du solltest zu Mädchen
etwas netter sein, Izumi.
Deberías ser más amable
con las chicas, Izumi-kun.
Deberías ser más amable
con las chicas, Izumi-kun.
Dovresti essere un po' più gentile
con le ragazze, Izumi.
Você pode ser um pouco mais 
gentil com as garotas, Izumi-kun.