Spring will soon arrive, and Anglerfish Team will soon be third years at Oarai Girls' Academy. However, an unexpected guess drops in to find Nishizumi Miho and Shimada Arisu. Assuming those two leading figures of senshado would discuss its future, Itsumi Erika rushed to Oarai to find them. What she does find there, however, is not what she expected.
Itsumi Erika visits Oarai after being invited by Miho. However, Erika drops in unannounced and thus runs into Shimada Arisu, who already had prior plans with Miho. Raising into question the nature of Miho and Erika's relationship. Is Erika Miho's friend, or not?