Clark Kent is in the Sekirei Plan, after Defeating Bizarro in the seventh season, Clark is tired and weary from how things with zod, and the phantoms and meeting his cousin Kara, so he needs a break and to grieve for Lana, so after talking to his mother Martha Kent and his friends Oliver Queen, and Chloe. So Clark and his cousin Kara has paid vacation in Japan, specifically Shinto Teito. Clark gets acceptence as his Sekirei help him accept himself, They help Clark to stop blaming himself and help him on the path of his destiny as Superman.

Ashikabi Clark Kent

Ashikabi Kara

Clark's Sekirei (Flock)
(This has to be Clark's sekirei)
Miya Asama
Kazehana
Tsukiumi
(If you change the flock, then Miya must be in or you can't take the challenge.)

Kara's Sekirei (Flock)
(This has to be Kara's sekirei)
Mutsu
Homura
(If you change the flock, then Kara must have a male sekirei must be in or you can't take the challenge.)

What must happen
You must bring in the story of the seventh, eighth, nineth, and tenth season after Sekirei Plan, have his sekirei go with him when he returns to Smallville.
Have Clark awaken his arctic breath during the Sekirei plan (Because on the show, you never knew when he awakened it).
Clark and Kara must be closer than they were on the Show, because their relationship was never developed properly on the show.
Kara must not go to the future like in the 10th season.
Before Clark leaves, He takes Kara to the fortress to be scanned and Jor-El unblocks Kara's memories.
Clark must learn to fly earlier.
Clark is angry with Lana for faking her death.

Power Levels

Sekirei are powerful, so have them capable of keeping up with the power houses in the Dc universe and Smallville. So Miya at her full power is equal to Clark, who is 19 or 20 in the 7th season.
Kara is as strong as single digits Sekirei except Miya. She is not stronger than Clark, because she never was under the yellow sun as long as him.

Sekirei

When Sekirei kiss and bond with there Ashikabi, they gain Longevity equal to their Ashikabi, so Miya will live as long as Clark.

Forbidden

Clark not being Angry with Lana, because come on she faked her death, while her loved ones grieved and mourned for her.
Clark loving Lois.
Clark not learning to Fly early.