☆Nisio Isin☆ Okitegami Kyoko's Memo☆Okitegami Kyoko's Recommendation☆Okitegami Kyoko's Challenge☆ ☆3 books☆ ・These are three books by Okitegami Kyoko (written by Nisio Isin). ① Okitegami Kyoko's Memo ② Okitegami Kyoko's Recommendation ③ Okitegami Kyoko's Challenge ・Please judge the condition from the photos.