When he ends a phone call with you

Ren:

*glances at Sojiro* "Sojiro need me now,(Y/n). I'm going to hang up,alright?" *waits for you to reply* "Ok...I'm hanging up now.." *but waits for you to hang up first*

Ryuji:

"I might not be able to call for a while....I'll send you a message okay? Keep your phone with you,(Y/n).Mmm....okay then." *makes a kissing sound and hangs up*

Yusuke:

"(Y/n). I need to go soon." *waits for your reply and chuckles* "Please,don't sound so sad.I promise I'll call as soon as I can. I love You,never forget that."

Akechi:

"It's my turn to shoot now~! I have to go ~ oh but you have to give me encouragement first ~ and a kiss too!" *ends up talking for a few more minutes with you*