Yasashii Ai no Hane Lyrics - Angel's Tail

Yasashii Ai no Hane Lyrics - Angel's Tail belongs to the anime Angel's Tail, take a look at the argument:

With her eyes devoid of life, Rachel Gardner yearns for nothing but release from her torment. Awakening abruptly in the confines of a desolate basement, she finds herself entangled in a baffling predicament. Cleaving through the suffocating ambiance, a mysterious figure named Zack, bearing stark bandages, materializes before her. Intent on evading captivity, he vows to extinguish her life once emancipated. Determined to secure their freedom, Rachel and Zack forge an alliance, embarking on an arduous ascent through the labyrinthine levels of the accursed edifice. Unbeknownst to Rachel, the perils that lie in wait harbor sinister ties to her existence. A miasma of familiarity wafts through the encounters with the twisted inhabitants they encounter en route. What insidious link connects Rachel to the malevolent structure in which she stands confined? As they confront formidable adversaries on each progressive floor, will Rachel and Zack fulfill their separate desires against all odds?

Now that you know the argument, take a look to another songs of Angel's Tail also called Tenshi no Shippo