Faithful Love Book 2: Cardfight Vanguard

Love Series
Book 1 Blind Love
Book 2 Faithful Love
Book 3 Broken Love
Book 4 Healing Love

Peaceful, that's how it seems at a glance.
However not everything has ended, shadows thought to have been lost in the recent past have returned, pain that's both emotional and physical starts to appear.
Kai wants to shield his new lover, Aichi, from the dangers, however how can one teen possibly protect his love from everything?
Will the brunette keep his faithfulness towards Aichi?
Or will mistakes turn their love to ruins as a secret escapes, swiftly transforming small embers into raging flames, ones that not even water can easily quench without vaporizing first.