A Sister's All You Need., Vol. 13 (light novel)

Winter ends, spring arrives, and our protagonists take a new step forward.Haruto
announces a new series. Miyako joins Branch Hill Publishing to finallybecome a
professional editor. Chihiro becomes the life of heruniversity’s TRPG club. Finally, a
100,000-character love letterinspires Itsuki to pour more energy into his novel and
become a genuineprotagonist. A new everyday life dawns as the series enters the first
half ofits final chapter!