Here is a story highlighting Yuuka's "Code Basis" (her fundamental principles of logic and efficiency) and her underlying care for Sensei. The Equation of Care
When Sensei finally stirred, Yuuka was standing over them, her hands on her hips. "You're thirty minutes behind schedule, Sensei. But," she paused, pushing a perfectly organized folder and a fresh cup of coffee toward them, "I've already recalculated your week. If you follow this plan, you'll have exactly enough time for a nap—and a proper meal." XВўode Basis Drive: Hayase Yuuka - Blue Archive
fandom.com/wiki/Hayase_Yuuka/Relationship">official wiki or her Gym version's events ? Here is a story highlighting Yuuka's "Code Basis"
"Sensei, this is completely illogical," she sighed, already reaching for her trusted calculator—her "Logic and Reason". To Yuuka, the world was a series of variables that could be solved with the right formula. But Sensei was always the outlier, the "X" she could never quite solve for. But," she paused, pushing a perfectly organized folder
In Blue Archive , is the meticulous and mathematically gifted treasurer of Millennium Science School's student council, Seminar . Often called the "Cruel Arithmetician" for her strict budget management, she is one of the closest students to Sensei, frequently acting as a self-appointed secretary and financial guardian.