Age: 14
Height: 153.2 cm
Weight: 42.8 kg

Teiichi is a pupil in the school where Yuuko died about 50 years ago. He once heard rumors about a spirit in the school who was left to die alone. Teiichi is able to see her and wants to help Yuuko to find out why she died.

In chapter 8, when Yuuko lost her memories about Teiichi, he confessed his feelings towards her and she remembered about him.