（Demo Ver.）ふたごの恋 (Two/Twin love) by Serani Poji

Coltemönikha - Soratobu Hikari (そらとぶひかり)

THis song belongs to the japanese pop group Serani Poji. I do not claim ownership of this or any other of their songs

From the album Vanilla Beans(2009).
Picture credits: Misaki Kurehito(https://safebooru.org/index.php?page=post&s=view&id=110205)