Tsubasa is ordered to score high on exams, so when the lovely Rena offers to tutor him, he accepts. He soon realizes that Rena expects a reward for her help. Minami spots them together and is thrilled at first, but then starts to feel very uncomfortable.
I've still got 15 minutes 
before we're supposed to meet.
لا تزال هناك 15 دقيقة قبل موعدنا المُتّفق
Es sind noch 15 Minuten
bis zu unserem Treffen.
Aún quedan 15 minutos
para la hora acordada.
Aún quedan 15 minutos
para la hora acordada.
Il reste quinze minutes
avant notre rendez-vous.
Manca ancora un quarto d'ora
 all'orario stabilito.
Ainda faltam 15 minutos
para o horário marcado.
До встречи ещё пятнадцать минут.