Commander Kido talking to Osamu an his genuine interest in his health an welfare.
Osamu, Yuma and Shiori teaching Chika to value her own life. When Reiji learns of their efforts, he also joins in the attempts.
Kikuchihara helping Osamu with training an pointing that in his next fight not to disappoint Kazama who has high hopes for him
Tokieda noticing Kikuchihara talking with Osamu let alone to someone outside of his unit is rare
When he is a color commentator Shun calls Kuga Sempai an Osamu Captain
Ko is worried that his Rapid-Learning Side Effect "stole" Arafune's hard work and drove him to quit being an Attacker. Arafune, who had already been planning to switch to being a Sniper beforehand but didn't want to sound like he was making excuses, records a message telling him not to blame himself. In fact, After achieving mastery as a Sniper and Gunner, he plans on teaching that to Ko as well.
Hyuse an Yotaro's relationship in general
Once he leaves Tamakoma HQ he looks back an says goodbye big guy.
In a Flashback Jin ask Yotaro what if Hyuse wanted to return to Afto Krator an with out hesitation he says he would let him go home even thought the look on his face is so sad at just the thought.
Hyuse being unwilling to kill Yotaro, even if doing so would let him return to Afrokrater.