141 - Bleach Episode

Granted permission to say goodbye to just one person, Orihime chooses Ichigo Kurosaki . She uses her intangible state to enter his room while he is sleeping and recovering from his injuries.

Ulquiorra gives Orihime a specialized bracelet that makes her invisible and intangible to everyone except Arrancars. It also allows her to phase through solid objects. Bleach Episode 141

Following the retreat of the Arrancars, corners Orihime and delivers an ultimatum from Aizen: she must come with him to Hueco Mundo or her friends will be killed. Granted permission to say goodbye to just one