海夢（永瀬莉子）のコスプレ衣装を作ることになった新菜（野村康太）。自分と住む世界が違う海夢と接点ができたことを信じられずにいた。すると突然、海夢が新菜の家を訪ねてくる。採寸が待ちきれず、新菜の家を調べてやってきたという。海夢の行動力に驚かされながらも、無事採寸を終える新菜。休みが明け、学校でも気にせず話しかけてくる海夢に対し、周囲の目を気にして距離を置こうとする新菜。海夢は友達なのに避けられる意味がわからないと新菜に伝える。初めて友達だと言ってくれる人が現れたことに嬉しさを隠せない新菜は、海夢のために頑張って衣装を作ろうと決意するのだった。そして海夢に頭師になりたい気持ちを明かし、海夢に心を開いていくのであった。そんな中、新菜は海夢がコスプレイベントに参加するつもりだと知る。しかしそのイベントは2週間後に迫っていて―。
Gojo is tasked with making a cosplay costume for Marin. She can't believe that she has made contact with Marin, who lives in a different world than her. Then, Marin suddenly comes to Gojo's house. She says that she couldn't wait to get her measurements taken, so she checked out Gojo's house. Gojo is surprised by Marin's initiative, but she manages to get her measurements taken. After the holidays, Marin talks to Gojo without any hesitation at school, but Gojo tries to keep her distance, worried about what others think. Marin tells Gojo that she doesn't understand why she is being avoided even though they are friends. Niina can't hide her joy at having someone who calls her a friend for the first time, and decides to work hard to make a costume for Marin. Gojo then reveals to Marin that she wants to become a head priest, and opens up to her. Meanwhile, Gojo finds out that Marin is planning to participate in a cosplay event. However, the event is approaching in two weeks.
