The awkward lovebirds, Yuuta Togashi and Rikka Takanashi are now living together as they enter a new school year, but their adorable relationship remains stagnant. Yuuta struggles to adapt to having a chuuni girlfriend while the gang—Sanae Dekomori, Shinka Nibutani and Kumin Tsuyuri—are still keeping up with their quirks despite having advanced a grade. Making matters worse, another chuuni girl from Yuuta's middle school, Satone Shichimiya, appears... With the various events revolving around Yuuta, will he be able to develop his relationship with Rikka? Due to various events, Yuuta and Rikka are living together. This secret co-habitation is so exciting for the two lovebirds! Or so it should be…Is having a chuuni girlfriend too high of a hurdle for Yuuta, who never even went out with a normal girl?! Yuuta worries about how to advance his relationship with Rikka. And then everyone else, Nibutani, Kumin, and Dekomori, have powered up by advancing a grade. Furthermore, the cause of his chuunibyou outburst in middle school, the girl who calls herself Sophia Ring Saturn the 7th, Satone Shichimiya appears… This is the long-awaited second season of the adolescent romantic comedy revolving around chuunibyou that makes you laugh and cry.