It was announced that manga Days will have two OVAs, to be bundled with the 21st and 22nd volumes.
The first OVA, Which will be released on March 17, 2017, will feature a match against Sakura High, on a beach, during summer camp.
The second OVA, Which will be released on May 17, 2017, will feature a conversation about Extreme Needy and dice, when the group gets lost in the campsite in Kagoshima.
Days has been serialized in Weekly Shounen Magazine since April 2013.