The reader befriends four imagin, and wishes for a Driver, a train of time that can travel through dimensions, and leaves the last two for emergencies.

The Imagin he befriends are,

Torataros ((Tora) a tiger imagin that allows the reader to change into kamen rider Sei-Yo Claw form. Which features claws mounted on the arms)
Female
Red

Jakkataros ((Jakkaru(jackal)) a jackal imagin that allows the reader to change into Assualt form with features mounted gatling guns)
Female
Blue

Hachitaros ((Hachi (bee)) a bee imagin that allows the reader to change to drill form that features drill Lance's mounted on the arms)
Female
Yellow

Goritaros ((gorilla ) gorilla imagin that allows the reader to enter Buster form, which features bunkers and Jack hammers.
Male
Grey

This group of Taros become part of the armor similar to how Neotaros, aka Tebby, transforms into a sword, but as parts of the armor

The reader will randomly appear in different universe due to the SeiLiner, his bullet train that rides on a single line, that travels to both the past and future of different worlds.

-Harem(not gonna be giant sized and ridiculous proportions)

-Flonne the Angel Trainee(anime: Disgaea)

Squid Girl (anime: squid girl)

Taokaka (game: Blazblue)

Penny Polendina (show: RWBY)

Whisper the Wolf (Comic: Sonic IDW)

Nui Harime (anime: Kill la kill)

Mizune sister/sisters (anime: Soul Eater)