какие аниме есть на тему романтика?

Их очень много. Вот одни из последних

243. Mitsu x Mitsu Drops (2004)
244. Tonagura! (2004)
245. Suzuka (2004)
246. Shinshi Doumei Cross (2004)
247. Bronze no Tenshi (2004)
248. Girlfriend (2004)
249. Bokusatsu Tenshi Dokuro-chan (2004)
250. Crimson Spell (2004)
251. Harem de Hitori (2004)
252. Boku no Koe (2004)
253. Recipe (2004)
254. Kare wa Amai Yuuwaku (2004)
255. Iya x Shite (2004)
256. Charisma Doll (2004)
257. Koukou Debut (2004)
258. Rosario to Vampire (2004)
259. Gakuen Heaven (2004)
260. Kannaduki no Miko (2004)
261. Sekirei (2004)
262. Maria-sama ga Miteru (2004)
263. Bolt and Lantern (2004)
264. Соблазн прекраснее любви (2004)
265. Princess Ai (2004)
266. Cossette no Shozou (2004)
267. Special A (2004)
268. Shuffle! -Days in the Bloom- (2004)
269. Mizu ni Sumu Hana (2004)
270. Sumomomo Momomo: Chijou Saikyou no Yome (2005)
271. Train Man: Densha Otoko (2005)
272. Hayate no Gotoku! (2005)
273. Saiunkoku Monogatari (2005)
274. Hero Heel (2005)
275. Kodomo no Jikan (2005)
276. Kanrei Zensen Conductor (2005)
277. Wanted (2005)
278. Yoroshiku Master (2005)
279. Antique Gift Shop (2005)
280. Onegai Twins (2005)
281. The Summit (2005)
282. Air (2005)
283. Superior (2005)
284. Strawberry Panic! (2005)
285. Koukyou Shihen Eureka Seven (2005)
286. Blood Alone (2005)
287. Danzaisha - Tetragrammaton Labyrinth (2005)
288. Ai Kora (2005)
289. Iono-sama Fanatics (2005)
290. SWWEEET (2005)
291. Mai-Otome (2005)
292. Canvas 2: Niji Iro no Sketch (2005)
293. Kimi wa Girlfriend (2005)
294. Blood+ (2005)
295. Кланнад (2005)
296. H20 (2005)
297. Cat Street (2005)
298. Uta-kata (2005)
299. Zero no Tsukaima (2006)
300. Inukami! (2006)
301. Utawarerumono (2006)
302. Ai wo Utau yori Ore ni Oborero! (2006)
303. Kamisama Kazoku (2006)
304. Mx0 (2006)
305. Shugo Chara! (2006)
306. sola (2006)
307. Nazo no Kanojo X (2006)
308. Kage Kara Mamoru! (2006)
309. To Love-Ru -Trouble- (2006)
310. Истории о чистой любви (2006)
311. Kemeko Deluxe! (2006)
312. Itoshi no Kana (2006)
313. Neo Angelique (2006)
314. Uwasa no Midori-kun (2006)
315. Simoun (2006)
316. Bitter Virgin (2006)
317. Kyoshiro to Towa no Sora (2006)
318. Otome wa Boku ni Koi Shiteru (2007)
319. Hatsukoi Limited (2007)
320. Tomoyo After ~ Dear Shining Memories (2007)
321. Kanokon (2007)
322. Mahou Tsukai ni Taisetsu na Koto: Natsu no Sora (2008)