Yamada's First Time: B Gata H Kei

Yamada's Level Increased! She Learned How to Deep Kiss! / Work on Your Naughty Power! I've Never Felt a Sensation Like This Before... (1x5)

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As Mayu Miyano tries in vain to give Kosuda the perfect Valentine's day chocolate cake (she gives it to his sister instead, thinking it is in return for the apples she gave her), Yamada, while getting a mound of chocolates herself, struggles to make even one box of chocolate for Kosuda--and even her best were unpalatable to fish. Kosuda reveals to Yamada the next day that the chocolates given anonymously through the mailbox were "of a unique taste."