Tennen Bitter Chocolate
From Megkf: Despite repeated failures, Sinatsu fell in love with the most popular guy at the Esiyuki-Semiyuki school (a member of the tennis club). After she joined the team without hesitation, her semis rejects it. In addition, his girlfriend intimidated her. However, as the ICA childhood says, "things that are too easy to get, not at all funny." Right?