Seaside Stranger 4 - Seaside Stranger Vol. 4: Harukaze no Etranger

When Shun and Mio attend Visitors' Day at Fumi's elementary school, Shun runs into his former classmate and crush, Wada. Though Shun is shaken, Mio grows strangely close to this carefree character from his lover's past. And if that weren't stressful enough, the novel Shun's been agonizing over is about to be published!