Though he is unaware of her feelings for him he sees her as attractive, blushing when he accidentally looked up her dress and hoping to see a nude picture of her in the firemen calendar and he likes her. Though starting out as enemies, after defeating her Shinra sees Hibana as a friend and comrade in the search for the truth.
Although he gets irritated when he gets caught in her lucky lecher lure, he does find her attractive as when he first encountered her, but is unaware of her feelings for him due to her tsundere nature which also irritates him when she acts insulting and abrasive toward him. They get along well as comrades and he considers her a good friend alongside the rest of the company 8. Shinra has a slight rivalry with Tamaki going back to the rookie games. He has shown to find her attractive as he has blushed when seeing her exposed during her purification ritual and when they went shopping. Shinra does sees Iris as a friend and someone to protect, as seen when he saved her when they first met before he joined company 8. He also finds her attractive as he blushed when they first met when she explained how she altered his cloths to better use his abilities. Shinra has come to see Maki as an older sister figure and strong comrade and friend he respects. Despite the antagonism they hold toward each other, Shinra views Arthur as a reliable comrade and they work well together when they put their rivalry aside. Shinra possesses a brother like rivalry with Arthur going back to the Academy rooted in their debate whether heroes or knights are better.
Shinra was forced to wear those liquid nitrogen boots to suppress his ability. Shinra was with his mother and baby brother.
That being said he views HInawa as a reliable comrade he can confide in and respects his intelligence and advice. Mei told her son, Shinra to pick up his toys. Hinawa and obeys his orders even more than Akitaru. Obi also acts as a mentor and older brother figure befitting his role as captain while rarely getting angry. Akitaru Obi is Shinra's captain who he respects highly due to Obi being strong enough to fight Infernals and even other captains without an ignition ability.