The Spirit Hero Season 1

Rescue Mission

We see Izuku sitting sparring with Genkai as a way to increase his combat skills with more than just his legs-

(Genkai is Robin and Izuku is Batman) (Start at 0:55 and stop at 1:48)

Genkai hits the ground and groans as she gets up and dusts her shoulder off. she then looks at Izuku and smiles knowing how fast Izuku is progressing. 

GenKai: I'm impressed your even improving faster than yusuke.

Izuku: I'm just lucky enough to have such a great teacher. So, when are you going to teach me the spirit gun. Ooo, or the shot-gun.

Genkai: (Sigh) Fanboy spirit energy is not going to be exactly like how you want it. You need to learn to harness your spirit energy your way. 

Izuku: But how?

Genkai: Spirit energy is derived from your emotions and you need to harness it in a way to benefits you. (Walks away).

Izuku looks down for a moment and activates full-cowling and proceeds to keep practicing and then stops for a moment then looks at his arm for a moment then looks at the lightning coming off him-

Izuku: I've got it!

Timeskip

Two weeks have passed and Yusuke is back to his old school cutting class days... One early morning he runs to school once again (he's late) but suddenly he feels he is being tracked down by someone.. just then he realizes Hiei is the one following him. Hiei gives him a video tape courtesy of Koenma - and it contains Yusuke's next mission.. as Hiei vanishes once again. Later at schoo,l Yusuke asks Kuwabara if he can watch the tape at his place, and Kuwabara agrees in one condition - that he will never again be involved in any of Yusuke's missions. Keiko arrives and yells at Yusuke for bringing a tape at school... Yusuke was about to make another excuse but then he remembers the time when Keiko tells him not to hide anything from her again.. so he tells her the truth. The problem is, Keiko doesn't understand what he's saying (seems like Botan made an excuse also when she told Keiko the situation). 

Genkai's Temple

Izuku is seen doing pushups while there is a boulder on his back. He is gets a visit from Kurama-

Kurama: Hello Izuku.

Izuku: Kurama, good to see you! What brings you here?

Kurama: I have been ordered by Koenma to tell you that their might be someone who could help you get home.

Izuku: Really! Who is it?

Kurama: They say she is part demon and part angel and that she is the only one who still has angel energy as all of the angels died off eons ago. Her name is Elaine the angel/demon hybrid.

Izuku: How do I find her? 

Kurama: It's not as simple as that. It is said that before she disappeared she wanted to find a person who is truly worthy of her power.

Izuku: How does one prove he's worthy?

Kurama: I'm afraid that's all the information I could gather.

Izuku looks up at the sky and wonders how can prove he's worthy. Until, he hears a ring and see's someone calling Kurama and see's that it's Koenma-

Koenma: I need to speak with Izuku. It's important.

Izuku: I'm here what is it you need sir.

Koenma: I would like you to join yusuke, botan, and Kuwabara n this mission as i have been informed that someone very dangerous will be there.