It is not store information, but I forgot to write this.
The arrangement of the bookshelf is different by "publisher" and "manga magazine".
Not in alphabetical(a,i,u,e,o... or ABC..) order.
書店 shoten : book store ("o" is not long tone)
新刊 shinkan : new release (not only for manga, but only for books)
既刊 kikan : already released
中古 chuko : used (not only for manga, books)
本棚 hondana : bookshelf
出版社 shuppansha : publisher (company)
https://matome.naver.jp/odai/2146200814941569201マンガ雑誌 manga zasshi : manga magazine
週刊 shuukan : weekly
月刊 gekkan : monthly
季刊 kikan : quarterly, seasonally
平積み hirazumi : flat display = popular or recommend
https://twitter.com/IoNaomichi/status/1138439757095038977おすすめ(おススめ) osusume : recommend, recommendation
https://pbs.twimg.com/media/D9ahcBeVUAASVjZ.jpg:large価格: 500円+(消費)税 kakaku, go-hyaku-en, plus (shohi)zei : price 500Yen + (sales)tax 8% = 540Y total
税込(み) zei komi/内税 uchi zei : including sales tax
税抜(き) zei nuki : not including sales tax
https://pbs.twimg.com/media/D9gj_KuUEAE-Tt8.jpgThe letter 内税 is well written on the receipt(レシート reshiito), not written on the price tag.
https://pbs.twimg.com/media/D9K7OiRUIAAjvoa.jpgThere is also a oppsite word 外税 soto zei, but hardly see it. (内 means inside, 外 means outside)
If you are already living in Japan other than Kyoto, Osaka, there is no need to explain.
If you are 1st timer coming fr abroad, buying a book in Japan is not difficult.
Just pick up the book you want, bring it to the cashier(counter), and pay the money.
Credit card payment of famous international brands such as Visa, Master, Amex is also possible.
Basically, if looking for rare one, online may faster.
Can you tell me the titles and favorites, if possible?