Senran Kagura

Katsuragi gets playful with Asuka whilst performing body measurements.

Yagyuu goes to extreme lengths to try and prevent Hibari's naked body from being exposed.

Wanting inspiration for her poems, Ikaruga curiously requests to stick her face in Katsuragi's chest.

Asuka, Ikaruga, Katsuragi, Yagyu and Hibari are five school girls who secretly train in the ninja arts. As they are sent by their mentor, Kiriya, to handle some delinquents in town, Asuka meets a girl named Homura and helps guide her through town, unaware that she is secretly an enemy shinobi. Meanwhile, the others encounter the delinquents, who are soon revealed to be wooden puppets controlled by an enemy shinobi. As the girls manage to beat the puppets, Asuka remains blissfully unaware of Homura's true alliance.

As the girls train in summoning animal spirits, Asuka is the only one having trouble summoning hers. Her grandfather, the legendary shinobi Hanzou, comes to visit and informs her that their family's spirit is the tree frog, which Asuka is afraid of. As Asuka attempts to get used to frogs, Hanzou informs Kiriya that the evil Serpent Academy for Girls is behind the puppet attack. On their way home, Asuka and Ikaruga are attacked by one of the enemy shinobi, Yomi.

Yomi engages Ikaruga in battle and overwhelms her with her array of weapons before taking her leave. Later, Ikaruga is informed that her brother, Murasame, who she replaced to become the shinobi successor of her family, has gone missing. Later that night, Ikaruga encounters Murasame in her room stealing her sword, Hien, but she manages to send him packing easily enough. After being ejected from the household, Murasame is met by Hanzou, who reminds him that being a shinobi isn't the only way of life. After receiving some advice from Hanzou, Ikaruga decides to start giving Asuka summoning lessons, managing to help her get over her fear of frogs and learn to use her summoning art.

Asuka and Yumi run into each other while doing their Christmas shopping and spend some time together, talking about how they balance their lives as both high school girls and shinobi. While Yumi searches for a present that Asuka dropped, the other Hanzo girls are suddenly attacked by two girls named Gekkou and Senkou, who then proceed to attack Asuka, completely overpowering her.

Unaware of what happened to Asuka, Yumi and her Gessen squad receive a message inviting them to a spa resort. Meanwhile, Homura's Crimson squad come up against Miyabi and her Hebijo squad during a mission, during which both teams receive the same invitations. Accepting the invitations, the three squads go to the resort together and have a water gun fight in which they aim to make their opponents' swimsuits transparent, which ultimately ends in a tie. The girls are then confronted by Gekkou and Senkou, who announce that they are holding the Hanzo girls as hostages to force everyone to take part in a Shinobi Masters tournament. Afterwards, Yumi comes across Asuka, the only one not captured by the pair, whose sense of justice has been shattered by her defeat.

Following a heated conflict with Asuka, Yumi comes across Homura, who invites her to a hot spring to heal up her injuries. Meanwhile, youma hunter Kagura is approached by a mysterious woman named Fubuki, who invites her to the tournament to face off against the ultimate youma. Back at the spring, Homura is confronted by Asuka, who uses underhanded means in order to defeat her and keep her out of the tournament.