Hayakawa Rou is a student at the school where Morinome Shinako teaches. They seem to have some kind of shared history.
Your childhood friend, Hayakawa Rou, 
came to the store today.
.أتى صديق طفولتك، هاياكاوا رو إلى المتجر اليوم
Heute …
Tu amigo Rou Hayakawa
vino al minimercado hoy.
Tu amigo Rou Hayakawa
Aujourd’hui…
Oggi...
Hoje, um tal de Hayakawa Rou, que dizia
ser seu amigo de infância, apareceu na loja.
Твой друг детства в магазин
заходил. Ро Хаякава.