Here, it explains how to induct ChatPlus to Peraichi.
Copy chat window code
(1)Log into ChatPlus and click the setting button on the upper right of the management page.
(2)Click [General setting]>[Chat window] on the left side of the screen.
(3)Copy the tag within the red box in the "Chat Window".
Induct to Peraichi
(1)Log into Peraichi
(2)On My Page click [Edit page]
(3) Click [Edit page information]>[Embed tag]
※You cannot use [Edit page information] before saving, so click [Save] first and click that.
(4)Embed copied tag in [Embed body tag]
(5)Check to see if the chat is displayed in the preview screen.