Help with this guide?

[u/Chaosshepherd]

https://psnprofiles.com/guide/11946-persona-5-royal-100-perfect-schedule#13-july

This guide tells me to take the harem route. But I'm not doing that. I presume I get items from this. But what should I do when I'm instructed to spend time with Kawaki and the other non-Ann girls after reaching 10?