Seven:
Amu
Ran
Miki
Su
Dia
Yoru
Aruto Tsukiyomi (Ikuto's father)
Seas:
Aruto Tsukiyomi, Ikuto's father, was হারিয়ে গেছে overseas.
Treasure:
Amu Hinamori is the treasure Ikuto has been searching for.
আপনি would mostly get touched if আপনি were an Amuto অনুরাগী like me. But even if আপনি ship Tadamu অথবা other Amu/Ikuto related couples, আপনি could still get touched দ্বারা Seven Seas Treasure's meaning.