After a tragic loss, Touma finds solace in a compassionate family who treats him like their own. As he witnesses his 'older brother' Tetsuo struggle in a tumultuous relationship, Touma grapples with newfound emotions that go beyond brotherly love. Despite the taboo nature of his feelings, Touma is torn between hiding his affection and the tempting hints dropped by Tetsuo, leaving him in a conflicted state of desire and loyalty.