EA, E-ABO, Interstellar Federation, Tinglan Interstellar Government School, strong duel, evenly matched, symbiotic sharpness, sympathy, breaking away from instinct, power game, youthful ambition, falling in love with each other, blade to blade, fighting against secular prejudice, guarding side by side, proud and strong, soul compatibility, no strong or weak attachment
Concept: Two sharp blades do not have to kill each other, but can also coexist with each other.