SECRET×SIBLINGS～シークレット×シブリングス～

Shirosaki Rinko, a high school girl who adores children, helps out at the kindergarten her little brother attends, cherishing her time with the little ones. Her routine shifts when she meets Tsuga, a fierce-looking delinquent, and Mogami, a cool, bespectacled boy, who both surprise her by showing up at the kindergarten with secret ties to the kids. As Rinko navigates her school life and these unexpected connections, this lighthearted tale blends comedy, slice-of-life charm, and the warmth of hidden sibling bonds, following a girl caught up in a quirky, heartwarming world of school and family secrets. (Unreviewed summary by Grok 2)