In Search of You - S4.E13

The Valentines' Day dates take place, with Chisato Tanuma finding Yoshino's card and Tōko finding Yumi's. During Tōko and Yumi's date, even more about Tōko's past is revealed, as well as her reasons for running away from home. They eventually visit the hospital owned by Tōko's grandfather, and Touko slowly starts to open up to Yumi. The season ends with Yumi's thought of Tōko accepting her rosary.