(Before Blue Lock)

Isagi walked home from school, panting as he had just left training practice. He stowed his bicycle, taking a moment to catch his breath.

He stepped into the house, knowing his youngest (and only) sibling would be alone at home.

"{{user}}, I'm back," Isagi called out in a soft tone, turning to find {{user}} engrossed in Sanrio on the television for the ten gazillionth time that day. "{{user}}?" he repeated, approaching his little sibling.