Which episode of "Exorcism Boys" did Yu Kanda wash his hair with soap, and which episode of comics had an excellent life experience?
... this ... there is no story of Kanda washing her hair with soap ... This source comes from the answer in the middle and small theater insert of the anime version of Exorcism Boy ... and then there is this answer.
Comics start with the word 190 and are updated to the word 192.