Mitsunaga tries to tell 18 - kin off about her uniform , but she ignores him , and Unko runs into Mitsunaga on her bike .
In the process , Kaguya learns that Hiro is a guy , and Mitsunaga learns that No. 1 is a girl .
Mitsunaga tries to tell 18 - kin off about Kaguya 's uniform , but she ignores him , and Unko runs Mitsunaga Mitsunaga on her bike .
In the process , Kaguya learns that Hiro is a guy , and Mitsunaga learns that No. 1 is a girl .