Series by 高瀬由香

Chika belongs to a close group of five friends who buried a time capsule when they were in elementary school. After the twin brothers Yuya and Hiroya return from America three years later, the group starts to change. Chika has been admiring her kendo club adviser, but that crush is shaken by new tensions around her friends. Kaori has long liked Hiroya, while Hiroya is drawn to Chika instead. Their reunion turns everyday school life into a complicated web of affection and rivalry.

Ishida Nijiko, a busy high school girl, juggles her studies with the demands of caring for her three younger brothers—Kazu-nii, Tet-chan, and Taisuke—and their single father. Amidst her hectic life, she harbors a secret crush on her classmate Kusakabe, a kind boy who catches her heart. As Nijiko balances her family responsibilities and her budding feelings, this heartfelt tale blends romance, family dynamics, and the challenges of youth, following a determined girl navigating love and duty in a story filled with warmth and everyday struggles.