Serina
Serina Sumi is a character from the mobile game Blue Archive. She is a second-year high school student at Trinity General School and an active member of the Remedial Knights medical club. Exceptionally kind and dedicated to volunteer service, she frequently worries about the physical well-being of those around her, earning her a reputation for being motherly. While she naturally dislikes conflict and fighting, she remains steadfast and resolute when confronting forces that threaten peace.
Overview
Serina Sumi is a character from the mobile game Blue Archive. She is a second-year high school student at Trinity General School and an active member of the Remedial Knights medical club. Exceptionally kind and dedicated to volunteer service, she frequently worries about the physical well-being of those around her, earning her a reputation for being motherly. While she naturally dislikes conflict and fighting, she remains steadfast and resolute when confronting forces that threaten peace.
Appearance
Serina has short pink hair, pink eyes, a nurse cap, and a single feather accessory attached on the left side of her hair. Her standard outfit consists of a white sailor-collared jacket bearing Trinity marks, a black pleated skirt, thick white tights, a brown medical side bag, and black boots with pink soles featuring a white cross. During the track festival, she wears a sleeveless pink nurse uniform with white short boots. Her Christmas attire features a right-side hair bun, a red fleece-trimmed dress with gold buttons, a red capelet, a beret with a black ribbon, black tights, white mid-boots, black leather gloves, and a handheld bell.
Personality
Serina is exceptionally selfless, gentle, and eager to help anyone in distress. She shows immense concern for Sensei's welfare and overwork, often manifesting out of nowhere without triggering security alarms or surveillance cameras to administer first aid. Although her uncanny ability to track and appear beside Sensei at a moment's notice causes others to view her as mysteriously omnipresent, her actions stem entirely from pure affection and devotion. Despite her mysterious mobility, she retains ordinary teenage traits, such as feeling afraid of ghost stories.
Abilities
In battle, Serina wields an L85-pattern assault rifle named Tactical Therapy, featuring an underbarrel syringe containing a pink liquid. As a SPECIAL unit, she acts as a dedicated healer, using a low-cost skill to drop a medical kit that draws a selected ally to its location for healing, alongside periodic automated single-target restoration. In her Christmas variant, she functions as a front-line STRIKER supporter, creating area buffs that increase allies' critical damage and penetration effectiveness while boosting her own evasion upon reloading.
Background
As part of Trinity's Remedial Knights, Serina constantly engages in hospital volunteer work and campus medical relief. During the Eden Treaty chapter, she played a vital role in attending to the critically injured Sensei and providing medical treatment to students in the Arius district alongside Gehenna's emergency medical team. She also provided medical support during the Kivotos Halo Festival and led street charity events during the Christmas season.
Relationships
Serina serves under Aomori Mine, the head of the Remedial Knights, and frequently works alongside her fellow club member Asagao Hanae. Despite inter-school rivalries, she maintains a friendly and collaborative relationship with Sena from Gehenna's Emergency Medicine Department during joint field operations.
Trivia
Her signature assault rifle, Tactical Therapy, is modeled after the British L85 rifle, customized with a syringe in place of a standard bayonet lug. Fan discussions often note her physical contrasts with her junior Asagao Hanae, despite Serina being older and taller.
