Suzuka Kinomoto, known as Suzu, grapples with a loss that leaves her passion for photography shattered. When her dear mentor Ruri Mino passes away, Suzu finds herself entrusted with Ruri's vampire son, Fuusuke. Despite her initial hesitations and lack of experience with children, Suzu cannot desert the lonely boy. As they navigate grief and confront their unique challenges, Suzu leans on alcohol for solace while Fuusuke wrestles with his vampire instincts. Through their unlikely bond, they discover shared connections that bridge their differences, offering a glimmer of hope amidst their sorrowful journey.