Possibly Futago no Tamashii
Futago - (a) twin
Tamashii - Soul
pliojnhn
'Twin tigers' is双子のトラ (futago no tora) in Japanese.
No, souls don't exist.
Imōto no futago no imōto
双子の猫 = futago no neko
Nope.
Martin D. has written: 'Twin souls, twin swords'
'Twin' in Japanese kanji is双子 (futago).
ツインサソリの手裏剣 Tsuinsasori no shuriken
Alma gemela. (pronounced ALL-ma heh-MAY-la)
You may say 'futago no kumo,' written: 双子の雲
In the seventh stanza of "A Valediction Forbidding Mourning," the twin compasses symbolize a strong and unwavering connection between the two lovers. The image of the compasses suggests that despite physical distance, their souls are spiritually connected and will always come back together.